七年级上册数学计算题 初一数学上册计算题1000道

\u4e03\u5e74\u7ea7\u4e0a\u518c\u6570\u5b66\u8ba1\u7b97\u9898\u53ca\u7b54\u6848\uff0c\u5171150\u9053

(1) 66x+17y=3967
25x+y=1200
\u7b54\u6848\uff1ax=48 y=47

(2) 18x+23y=2303
74x-y=1998
\u7b54\u6848\uff1ax=27 y=79

(3) 44x+90y=7796
44x+y=3476
\u7b54\u6848\uff1ax=79 y=48

(4) 76x-66y=4082
30x-y=2940
\u7b54\u6848\uff1ax=98 y=51

(5) 67x+54y=8546
71x-y=5680
\u7b54\u6848\uff1ax=80 y=59

(6) 42x-95y=-1410
21x-y=1575
\u7b54\u6848\uff1ax=75 y=48

(7) 47x-40y=853
34x-y=2006
\u7b54\u6848\uff1ax=59 y=48

(8) 19x-32y=-1786
75x+y=4950
\u7b54\u6848\uff1ax=66 y=95

(9) 97x+24y=7202
58x-y=2900
\u7b54\u6848\uff1ax=50 y=98

(10) 42x+85y=6362
63x-y=1638
\u7b54\u6848\uff1ax=26 y=62

(11) 85x-92y=-2518
27x-y=486
\u7b54\u6848\uff1ax=18 y=44

(12) 79x+40y=2419
56x-y=1176
\u7b54\u6848\uff1ax=21 y=19

(13) 80x-87y=2156
22x-y=880
\u7b54\u6848\uff1ax=40 y=12

(14) 32x+62y=5134
57x+y=2850
\u7b54\u6848\uff1ax=50 y=57

(15) 83x-49y=82
59x+y=2183
\u7b54\u6848\uff1ax=37 y=61

(16) 91x+70y=5845
95x-y=4275
\u7b54\u6848\uff1ax=45 y=25

(17) 29x+44y=5281
88x-y=3608
\u7b54\u6848\uff1ax=41 y=93

(18) 25x-95y=-4355
40x-y=2000
\u7b54\u6848\uff1ax=50 y=59

(19) 54x+68y=3284
78x+y=1404
\u7b54\u6848\uff1ax=18 y=34

(20) 70x+13y=3520
52x+y=2132
\u7b54\u6848\uff1ax=41 y=50

(21) 48x-54y=-3186
24x+y=1080
\u7b54\u6848\uff1ax=45 y=99

(22) 36x+77y=7619
47x-y=799
\u7b54\u6848\uff1ax=17 y=91

(23) 13x-42y=-2717
31x-y=1333
\u7b54\u6848\uff1ax=43 y=78

(24) 28x+28y=3332
52x-y=4628
\u7b54\u6848\uff1ax=89 y=30

(25) 62x-98y=-2564
46x-y=2024
\u7b54\u6848\uff1ax=44 y=54

(26) 79x-76y=-4388
26x-y=832
\u7b54\u6848\uff1ax=32 y=91

(27) 63x-40y=-821
42x-y=546
\u7b54\u6848\uff1ax=13 y=41

(28) 69x-96y=-1209
42x+y=3822
\u7b54\u6848\uff1ax=91 y=78

(29) 85x+67y=7338
11x+y=308
\u7b54\u6848\uff1ax=28 y=74

(30) 78x+74y=12928
14x+y=1218
\u7b54\u6848\uff1ax=87 y=83

(31) 39x+42y=5331
59x-y=5841
\u7b54\u6848\uff1ax=99 y=35

(32) 29x+18y=1916
58x+y=2320
\u7b54\u6848\uff1ax=40 y=42

(33) 40x+31y=6043
45x-y=3555
\u7b54\u6848\uff1ax=79 y=93

(34) 47x+50y=8598
45x+y=3780
\u7b54\u6848\uff1ax=84 y=93

(35) 45x-30y=-1455
29x-y=725
\u7b54\u6848\uff1ax=25 y=86

(36) 11x-43y=-1361
47x+y=799
\u7b54\u6848\uff1ax=17 y=36

(37) 33x+59y=3254
94x+y=1034
\u7b54\u6848\uff1ax=11 y=49

(38) 89x-74y=-2735
68x+y=1020
\u7b54\u6848\uff1ax=15 y=55

(39) 94x+71y=7517
78x+y=3822
\u7b54\u6848\uff1ax=49 y=41

(40) 28x-62y=-4934
46x+y=552
\u7b54\u6848\uff1ax=12 y=85

(41) 75x+43y=8472
17x-y=1394
\u7b54\u6848\uff1ax=82 y=54

(42) 41x-38y=-1180
29x+y=1450
\u7b54\u6848\uff1ax=50 y=85

(43) 22x-59y=824
63x+y=4725
\u7b54\u6848\uff1ax=75 y=14

(44) 95x-56y=-401
90x+y=1530
\u7b54\u6848\uff1ax=17 y=36

(45) 93x-52y=-852
29x+y=464
\u7b54\u6848\uff1ax=16 y=45

(46) 93x+12y=8823
54x+y=4914
\u7b54\u6848\uff1ax=91 y=30

(47) 21x-63y=84
20x+y=1880
\u7b54\u6848\uff1ax=94 y=30

(48) 48x+93y=9756
38x-y=950
\u7b54\u6848\uff1ax=25 y=92

(49) 99x-67y=4011
75x-y=5475
\u7b54\u6848\uff1ax=73 y=48

(50) 83x+64y=9291
90x-y=3690
\u7b54\u6848\uff1ax=41 y=92

(51) 17x+62y=3216
75x-y=7350
\u7b54\u6848\uff1ax=98 y=25

(52) 77x+67y=2739
14x-y=364
\u7b54\u6848\uff1ax=26 y=11

(53) 20x-68y=-4596
14x-y=924
\u7b54\u6848\uff1ax=66 y=87

(54) 23x+87y=4110
83x-y=5727
\u7b54\u6848\uff1ax=69 y=29

(55) 22x-38y=804
86x+y=6708
\u7b54\u6848\uff1ax=78 y=24

(56) 20x-45y=-3520
56x+y=728
\u7b54\u6848\uff1ax=13 y=84

(57) 46x+37y=7085
61x-y=4636
\u7b54\u6848\uff1ax=76 y=97

(58) 17x+61y=4088
71x+y=5609
\u7b54\u6848\uff1ax=79 y=45

(59) 51x-61y=-1907
89x-y=2314
\u7b54\u6848\uff1ax=26 y=53

(60) 69x-98y=-2404
21x+y=1386
\u7b54\u6848\uff1ax=66 y=71

(61) 15x-41y=754
74x-y=6956
\u7b54\u6848\uff1ax=94 y=16

(62) 78x-55y=656
89x+y=5518
\u7b54\u6848\uff1ax=62 y=76

(63) 29x+21y=1633
31x-y=713
\u7b54\u6848\uff1ax=23 y=46

(64) 58x-28y=2724
35x+y=3080
\u7b54\u6848\uff1ax=88 y=85

(65) 28x-63y=-2254
88x-y=2024
\u7b54\u6848\uff1ax=23 y=46

(66) 43x+50y=7064
85x+y=8330
\u7b54\u6848\uff1ax=98 y=57

(67) 58x-77y=1170
38x-y=2280
\u7b54\u6848\uff1ax=60 y=30

(68) 92x+83y=11586
43x+y=3010
\u7b54\u6848\uff1ax=70 y=62

(69) 99x+82y=6055
52x-y=1716
\u7b54\u6848\uff1ax=33 y=34

(70) 15x+26y=1729
94x+y=8554
\u7b54\u6848\uff1ax=91 y=14

(71) 64x+32y=3552
56x-y=2296
\u7b54\u6848\uff1ax=41 y=29

(72) 94x+66y=10524
84x-y=7812
\u7b54\u6848\uff1ax=93 y=27

(73) 65x-79y=-5815
89x+y=2314
\u7b54\u6848\uff1ax=26 y=95

(74) 96x+54y=6216
63x-y=1953
\u7b54\u6848\uff1ax=31 y=60

(75) 60x-44y=-352
33x-y=1452
\u7b54\u6848\uff1ax=44 y=68

(76) 79x-45y=510
14x-y=840
\u7b54\u6848\uff1ax=60 y=94

(77) 29x-35y=-218
59x-y=4897
\u7b54\u6848\uff1ax=83 y=75

(78) 33x-24y=1905
30x+y=2670
\u7b54\u6848\uff1ax=89 y=43

(79) 61x+94y=11800
93x+y=5952
\u7b54\u6848\uff1ax=64 y=84

(80) 61x+90y=5001
48x+y=2448
\u7b54\u6848\uff1ax=51 y=21

(81) 93x-19y=2
86x-y=1548
\u7b54\u6848\uff1ax=18 y=88

(82) 19x-96y=-5910
30x-y=2340
\u7b54\u6848\uff1ax=78 y=77

(83) 80x+74y=8088
96x-y=8640
\u7b54\u6848\uff1ax=90 y=12

(84) 53x-94y=1946
45x+y=2610
\u7b54\u6848\uff1ax=58 y=12

(85) 93x+12y=9117
28x-y=2492
\u7b54\u6848\uff1ax=89 y=70

(86) 66x-71y=-1673
99x-y=7821
\u7b54\u6848\uff1ax=79 y=97

(87) 43x-52y=-1742
76x+y=1976
\u7b54\u6848\uff1ax=26 y=55

(88) 70x+35y=8295
40x+y=2920
\u7b54\u6848\uff1ax=73 y=91

(89) 43x+82y=4757
11x+y=231
\u7b54\u6848\uff1ax=21 y=47

(90) 12x-19y=236
95x-y=7885
\u7b54\u6848\uff1ax=83 y=40

(91) 51x+99y=8031
71x-y=2911
\u7b54\u6848\uff1ax=41 y=60

(92) 37x+74y=4403
69x-y=6003
\u7b54\u6848\uff1ax=87 y=16

(93) 46x+34y=4820
71x-y=5183
\u7b54\u6848\uff1ax=73 y=43

(94) 47x+98y=5861
55x-y=4565
\u7b54\u6848\uff1ax=83 y=20

(95) 30x-17y=239
28x+y=1064
\u7b54\u6848\uff1ax=38 y=53

(96) 55x-12y=4112
79x-y=7268
\u7b54\u6848\uff1ax=92 y=79

(97) 27x-24y=-450
67x-y=3886
\u7b54\u6848\uff1ax=58 y=84

(98) 97x+23y=8119
14x+y=966
\u7b54\u6848\uff1ax=69 y=62

(99) 84x+53y=11275
70x+y=6790
\u7b54\u6848\uff1ax=97 y=59

(100) 51x-97y=297
19x-y=1520
\u7b54\u6848\uff1ax=80 y=39
\u8fd9\u53ef\u662f\u6211\u627e\u4e86\u534a\u5929\u624d\u627e\u51fa\u6765\u7684
\u9009\u6211\u4e3a\u6700\u4f73\u7b54\u6848\u5427\uff01

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-98+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
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A. 4032\u00d7108 B. 403.2\u00d7109 C. 4.032\u00d71011 D. 0.4032\u00d71012
2\u3001\u4e0b\u9762\u56db\u4e2a\u56fe\u5f62\u6bcf\u4e2a\u90fd\u7531\u516d\u4e2a\u76f8\u540c\u7684\u5c0f\u6b63\u65b9\u5f62\u7ec4\u6210\uff0c\u6298\u53e0\u540e\u80fd\u56f4\u6210\u6b63\u65b9\u4f53\u7684\u662f \uff08 \uff09

3\u3001\u4e0b\u5217\u5404\u7ec4\u6570\u4e2d\uff0c\u76f8\u7b49\u7684\u4e00\u7ec4\u662f \uff08 \uff09
A\uff0e-1\u548c- 4+(-3) B. |-3|\u548c-\uff08-3\uff09 C. 3x2\uff0d2x=x D. 2x+3x=5x2
4.\u5df4\u9ece\u4e0e\u5317\u4eac\u7684\u65f6\u5dee\u662f-7\uff08\u6b63\u6570\u8868\u793a\u540c\u4e00\u65f6\u523b\u6bd4\u5317\u4eac\u65e9\u7684\u65f6\u6570\uff09\uff0c\u82e5\u5317\u4eac\u65f6\u95f4\u662f7\u67082\u65e514\uff1a00
\u65f6\u6574\uff0c\u5219\u5df4\u9ece\u65f6\u95f4\u662f \uff08 \uff09
A.7\u67082\u65e521\u65f6 B.7\u67082\u65e57\u65f6 C.7\u67081\u65e57\u65f6 D.7\u67082\u65e55\u65f6
5\u3001\u56fd\u5bb6\u89c4\u5b9a\u5b58\u6b3e\u5229\u606f\u7684\u7eb3\u7a0e\u529e\u6cd5\u662f\uff1a\u5229\u606f\u7a0e=\u5229\u606f\u00d720%\uff0c\u94f6\u884c\u4e00\u5e74\u5b9a\u671f\u7684\u5229\u7387\u4e3a2.25%\uff0c\u4eca\u5c0f
\u78ca\u53d6\u51fa\u4e00\u5e74\u5230\u671f\u7684\u672c\u91d1\u53ca\u5229\u606f\u65f6\uff0c\u4ea4\u7eb3\u4e864.5\u5143\u5229\u606f\u7a0e\uff0c\u5219\u5c0f\u78ca\u4e00\u5e74\u524d\u5b58\u5165\u94f6\u884c\u7684\u94b1\u4e3a A. 1000\u5143 B. 900\u5143 C. 800\u5143 D. 700\u5143 \uff08 \uff09
6\u3001\u67d0\u79cd\u54c1\u724c\u7684\u5f69\u7535\u964d\u4ef730%\u540e\uff0c\u6bcf\u53f0\u552e\u4ef7\u4e3aa\u5143\uff0c\u5219\u8be5\u54c1\u724c\u5f69\u7535\u6bcf\u53f0\u552e\u4ef7\u4e3a \uff08 \uff09
A. 0.7a \u5143 B. 0.3a\u5143 C. \u5143 D. \u5143
7\u3001\u4e24\u6761\u76f8\u4ea4\u76f4\u7ebf\u6240\u6210\u7684\u89d2\u4e2d \uff08 \uff09
A.\u5fc5\u6709\u4e00\u4e2a\u949d\u89d2 B.\u5fc5\u6709\u4e00\u4e2a\u9510\u89d2 C.\u5fc5\u6709\u4e00\u4e2a\u4e0d\u662f\u949d\u89d2 D.\u5fc5\u6709\u4e24\u4e2a\u9510\u89d2
8\u3001\u4e3a\u4e86\u8ba9\u4eba\u4eec\u611f\u53d7\u4e22\u5f03\u5851\u6599\u888b\u5bf9\u73af\u5883\u9020\u6210\u7684\u5f71\u54cd\uff0c\u67d0\u73ed\u73af\u4fdd\u5c0f\u7ec4\u7684\u516d\u540d\u540c\u5b66\u8bb0\u5f55\u4e86\u81ea\u5df1\u5bb6\u4e2d\u4e00\u5468\u5185\u4e22\u5f03\u7684\u5851\u6599\u888b\u7684\u6570\u91cf\uff0c\u7ed3\u679c\u5982\u4e0b\uff08\u5355\u4f4d\uff1a\u4e2a\uff09\uff1a33 25 28 26 25 31.\u5982\u679c\u8be5\u73ed\u670945\u540d\u5b66\u751f\uff0c\u6839\u636e\u63d0\u4f9b\u7684\u6570\u636e\u4f30\u8ba1\u672c\u5468\u5168\u73ed\u540c\u5b66\u5404\u5bb6\u603b\u5171\u4e22\u5f03\u5851\u6599\u888b\u7684\u6570\u91cf\u7ea6\u4e3a ( )
A.900\u4e2a B.1080\u4e2a C.1260\u4e2a D.1800\u4e2a
9\u3001\u82e5\u5173\u4e8ex\u7684\u65b9\u7a0b3x+5=m\u4e0ex\uff0d2m=5\u6709\u76f8\u540c\u7684\u89e3\uff0c\u5219x\u7684\u503c\u662f ( )
A. 3 B. \u20133 C. \u20134 D. 4
10\u3001\u5df2\u77e5:\u2502m + 3\u2502+3(n-2)2=0,\u5219m n\u503c\u662f ( )
A. \u20136 B.8 C. \u20139 D. 9
11. \u4e0b\u9762\u8bf4\u6cd5\u6b63\u786e\u7684\u662f ( )
A. \u8fc7\u76f4\u7ebf\u5916\u4e00\u70b9\u53ef\u4f5c\u65e0\u6570\u6761\u76f4\u7ebf\u4e0e\u5df2\u77e5\u76f4\u7ebf\u5e73\u884c B. \u8fc7\u4e00\u70b9\u53ef\u4f5c\u65e0\u6570\u6761\u76f4\u7ebf\u4e0e\u5df2\u77e5\u76f4\u7ebf\u5782\u76f4
C. \u8fc7\u4e24\u70b9\u6709\u4e14\u53ea\u6709\u4e8c\u6761\u76f4\u7ebf D. \u4e24\u70b9\u4e4b\u95f4\uff0c\u7ebf\u6bb5\u6700\u77ed.
12\u3001\u6b63\u65b9\u4f53\u7684\u622a\u9762\u4e2d\uff0c\u8fb9\u6570\u6700\u591a\u7684\u591a\u8fb9\u5f62\u662f \uff08 \uff09
A\uff0e\u56db\u8fb9\u5f62 B.\u4e94\u8fb9\u5f62 C.\u516d\u8fb9\u5f62 D. \u4e03\u8fb9\u5f62
\u4e8c\u3001 \u586b\u7a7a\u9898
13\u3001\u7528\u8ba1\u7b97\u5668\u6c424\u00d7\uff080.2\uff0d3\uff09+\uff08-2\uff094\u65f6\uff0c\u6309\u952e\u7684\u987a\u5e8f\u662f
14\u3001\u8ba1\u7b9751\u00b036\u02ca=________\u00b0
15\u3001\u5f20\u5927\u4f2f\u4ece\u62a5\u793e\u4ee5\u6bcf\u4efd0.4\u5143\u7684\u4ef7\u683c\u8d2d\u8fdb\u4e86a\u4efd\u62a5\u7eb8\uff0c\u4ee5\u6bcf\u4efd0.5\u5143\u7684\u4ef7\u683c\u552e\u51fa\u4e86b\u4efd\u62a5\u7eb8\uff0c\u5269\u4f59\u7684\u4ee5\u6bcf\u4efd0.2\u5143\u7684\u4ef7\u683c\u9000\u56de\u62a5\u793e\uff0c\u5219\u5f20\u5927\u4f2f\u7684\u5356\u62a5\u6536\u5165\u662f___________.
16\u3001 \u5df2\u77e5\uff1a\u5982\u56fe\uff0c\u7ebf\u6bb5AB=3.8\u339d\uff0cAC=1.4\u339d\uff0cD\u4e3aCB\u7684\u4e2d\u70b9\uff0c
A C D B \u5219DB= \u339d
17\u3001\u8bbe\u957f\u65b9\u4f53\u7684\u9762\u6570\u4e3af, \u68f1\u6570\u4e3av\uff0c\u9876\u70b9\u6570\u4e3ae\uff0c\u5219f + v + e =___________.
18.\u7528\u9ed1\u767d\u4e24\u79cd\u989c\u8272\u7684\u6b63\u516d\u8fb9\u5f62\u5730\u9762\u7816\u6309\u5982\u4e0b\u6240\u793a\u7684\u89c4\u5f8b\u62fc\u6210\u82e5\u5e72\u4e2a\u56fe\u6848\uff1a
\u5219\u7b2c\uff084\uff09\u4e2a\u56fe\u6848\u4e2d\u6709\u767d\u8272\u5730\u9762\u7816________\u5757\uff1b\u7b2cn
\uff081\uff09 \uff082\uff09 \uff083\uff09 \u4e2a\u56fe\u6848\u4e2d\u6709\u767d\u8272\u5730\u9762\u7816_________\u5757.
19. \u4e00\u4e2a\u888b\u4e2d\u6709\u767d\u74035\u4e2a\uff0c\u9ec4\u74034\u4e2a\uff0c\u7ea2\u74031\u4e2a\uff08\u6bcf\u4e2a\u7403\u9664\u989c\u8272\u5916\u5176\u4f59\u90fd\u76f8\u540c\uff09\uff0c\u6478\u5230__________\u7403\u7684\u673a\u4f1a\u6700\u5c0f
20\u3001\u4e00\u6b21\u4e7010\u65a4\u9e21\u86cb\u6253\u516b\u6298\u6bd4\u6253\u4e5d\u6298\u5c11\u82b12\u5143\u94b1,\u5219\u8fd910\u65a4\u9e21\u86cb\u7684\u539f\u4ef7\u662f________\u5143.
21\u3001\u4f60\u559c\u6b22\u5403\u62c9\u9762\u5417\uff1f\u62c9\u9762\u9986\u7684\u5e08\u5085\uff0c\u7528\u4e00\u6839\u5f88\u7c97\u7684\u9762\u6761\uff0c\u628a\u4e24\u5934\u634f\u5408\u5728\u4e00\u8d77\u62c9\u4f38\uff0c\u518d\u634f\u5408\uff0c\u518d\u62c9\u4f38\uff0c\u53cd\u590d\u51e0\u6b21\uff0c\u5c31\u628a\u8fd9\u6839\u5f88\u7c97\u7684\u9762\u6761\u62c9\u6210\u4e86\u8bb8\u591a\u7ec6\u7684\u9762\u6761\uff0c\u5982\u4e0b\u9762\u7684\u8349\u56fe\u6240\u793a\uff1a

\u2026\u2026

\u7b2c\u4e00\u6b21\u634f\u5408\u540e \u7b2c\u4e8c\u6b21\u634f\u5408\u540e \u7b2c\u4e09\u6b21\u634f\u5408\u540e
\u8fd9\u6837\u634f\u5408\u5230\u7b2c \u6b21\u540e\u53ef\u62c9\u51fa128\u6839\u7ec6\u9762\u6761\u3002
22\u3001\u82e5x=1\u65f6\uff0c\u4ee3\u6570\u5f0fax3\uff0bbx\uff0b1\u7684\u503c\u4e3a5\uff0c\u5219x=- 1\u65f6\uff0c\u4ee3\u6570\u5f0fax3\uff0bbx\uff0b1\u7684\u503c\u7b49\u4e8e
\u4e09\u3001 \u89e3\u7b54\u9898
23.\u8ba1\u7b97\u2460 36\u00d7\uff08 \uff0d \uff092 \u2461\u2223 (\uff0d2)3\u00d70.5\u2223\uff0d(\uff0d1.6)2\u00f7(\uff0d2)2





\u2462 14\uff08abc\uff0d2a\uff09\uff0b3(6a\uff0d2abc) \u2463 9x\uff0b6x2\uff0d3(x\uff0d x2),\u5176\u4e2dx=\uff0d2





24.\u89e3\u65b9\u7a0b\u2460 \uff0d = 1 \u2461 (x\uff0b1)=2\uff0d (x\uff0b2)










\u2462 { [ \uff08 x+5\uff09\uff0d4]+3}=2 \u2463 \uff0d =\uff0d1.6




25. \u5728\u5de6\u4e0b\u56fe\u76849\u4e2a\u65b9\u683c\u4e2d\u5206\u522b\u586b\u5165-6\uff0c-5\uff0c-4\uff0c-1\uff0c0\uff0c1\uff0c4\uff0c5\uff0c6\u4f7f\u5f97\u6bcf\u884c\u3001\u6bcf\u5217\u3001\u659c\u5bf9\u89d2\u7684\u4e09\u4e2a\u6570\u7684\u548c\u5747\u76f8\u7b49.


26. \u5728\u4e00\u76f4\u7ebf\u4e0a\u6709A\u3001B\u3001C\u4e09\u70b9\uff0c AB=4cm\uff0cBC=0.5AB\uff0c\u70b9O\u662f\u7ebf\u6bb5AC\u7684\u4e2d\u70b9\uff0c\u6c42\u7ebf\u6bb5OB\u7684\u957f\u5ea6.






27\u67d0\u6821\u5b66\u751f\u5217\u961f\u4ee58\u5343\u7c73/ \u65f6\u7684\u901f\u5ea6\u524d\u8fdb\uff0c\u5728\u961f\u5c3e\uff0c\u6821\u957f\u8ba9\u4e00\u540d\u5b66\u751f\u8dd1\u6b65\u5230\u961f\u4f0d\u7684\u6700\u524d\u9762\u627e\u5e26\u961f\u8001\u5e08\u4f20\u8fbe\u4e00\u4e2a\u6307\u793a\uff0c\u7136\u540e\u7acb\u5373\u8fd4\u56de\u961f\u5c3e\uff0c\u8fd9\u4f4d\u5b66\u751f\u7684\u901f\u5ea6\u662f12\u5343\u7c73/\u65f6\uff0c\u4ece\u961f\u5c3e\u51fa\u53d1\u8d76\u5230\u6392\u5934\u53c8\u56de\u961f\u5c3e\u5171\u7528\u4e863.6\u5206\u949f\uff0c\u6c42\u5b66\u751f\u961f\u4f0d\u7684\u957f\uff0e






28\u67d0\u73ed\u5168\u4f53\u540c\u5b66\u5728\u201c\u732e\u7231\u5fc3\u201d\u6d3b\u52a8\u4e2d\u90fd\u6350\u4e86\u56fe\u4e66\uff0c\u6350\u4e66\u60c5\u51b5\u5982\u4e0b\u8868\uff1a
\u6bcf\u4eba\u6350\u4e66\u7684\u518c\u6570 5 10 15 20
\u76f8\u5e94\u7684\u6350\u4e66\u4eba\u6570 17 22 4 2
\u6839\u636e\u9898\u76ee\u4e2d\u6240\u7ed9\u7684\u6761\u4ef6\u56de\u7b54\u4e0b\u5217\u95ee\u9898\uff1a
\uff081\uff09\u8be5\u73ed\u7684\u5b66\u751f\u5171 \u591a\u5c11\u540d\uff1b \uff082\uff09\u5168\u73ed\u4e00\u5171\u6350\u4e86 \u518c\u56fe\u4e66\uff1b
\uff083\uff09\u5c06\u4e0a\u9762\u7684\u6570\u636e\u6210\u5236\u4f5c\u9002\u5f53\u7684\u7edf\u8ba1\u56fe\u3002












29.\u661f\u661f\u679c\u6c41\u5e97\u4e2d\u7684A\u79cd\u679c\u6c41\u6bd4B\u79cd\u679c\u6c41\u8d351\u5143\uff0c\u5c0f\u5f6c\u548c\u540c\u5b66\u8981\u4e863 \u676fB\u79cd\u679c\u6c41\u30012\u676fA\u79cd\u679c\u6c41\uff0c\u4e00\u5171\u82b1\u4e8616\u5143\u3002A\u79cd\u679c\u6c41\u3001B\u79cd\u679c\u6c41\u7684\u5355\u4ef7\u5206\u522b\u662f\u591a\u5c11\u5143\uff1f












30.\u201c\u4e2d\u5546\u201d\u8fd1\u65e5\u63a8\u51fa\u201c\u4e70200\u5143\u900180\u5143\u201d\u7684\u916c\u5bbe\u6d3b\u52a8\uff0c\u73b0\u6709\u4e00\u987e\u5ba2\u8d2d\u4e70\u4e86200\u5143\u7684\u670d\u88c5\uff0c\u5f97\u523080\u5143\u7684\u8d2d\u7269\u8d60\u5238\uff08\u53ef\u5728\u5546\u573a\u901a\u7528\uff0c\u4f46\u4e0d\u80fd\u6362\u94b1\uff09\uff0c\u5f53\u8fd9\u540d\u987e\u5ba2\u5728\u8d2d\u4e70\u8fd9\u5957\u670d\u88c5\u65f6\uff0c\u4e00\u552e\u8d27\u5458\u5bf9\u987e\u5ba2\u8bf4\uff1a\u201c\u916c\u5bbe\u6d3b\u52a8\u4e2d\u8d2d\u4e70\u5546\u54c1\u6bd4\u8f83\u4fbf\u5b9c\uff0c\u76f8\u5f53\u4e8e\u62536\u6298\uff0c\u5373 100%=60%.\u201d\u4ed6\u7684\u8bf4\u6cd5\u5bf9\u5417\uff1f









31.\u67d0\u6750\u6599\u4f9b\u5e94\u5546\u5bf9\u987e\u5ba2\u5b9e\u884c\u5982\u4e0b\u4f18\u60e0\u529e\u6cd5\uff1a\u4e00\u6b21\u8d2d\u4e70\u91d1\u989d\u4e0d\u8d85\u8fc71\u4e07\u5143\uff0c\u4e0d\u4e88\u4f18\u60e0\uff1b\u4e00\u6b21\u8d2d\u4e70\u8d85
\u8fc71\u4e07\u5143\uff0c\u4f46\u4e0d\u8d85\u8fc73\u4e07\u5143\uff0c\u7ed9\u4e889\u6298\u4f18\u60e0\uff1b\u4e00\u6b21\u8d2d\u4e70\u8d85\u8fc73\u4e07\u5143\u7684\uff0c\u5176\u4e2d3\u4e07\u51439\u6298\u4f18\u60e0\uff0c\u8d85
\u8fc73\u4e07\u5143\u7684\u90e8\u52068\u6298\u4f18\u60e0\u3002\u67d0\u5382\u56e0\u5e93\u5bb9\u539f\u56e0\uff0c\u7b2c\u4e00\u6b21\u5728\u8be5\u4f9b\u5e94\u5546\u5904\u8d2d\u4e70\u6750\u6599\u4ed8\u6b3e7800\u5143\uff0c\u7b2c\u4e8c\u6b21
\u8d2d\u4e70\u4ed8\u6b3e26100\u5143\uff0c\u5982\u679c\u4ed6\u662f\u4e00\u6b21\u8d2d\u4e70\u540c\u6837\u6570\u91cf\u7684\u6750\u6599\uff0c\u53ef\u5c11\u4ed8\u91d1\u989d\u591a\u5c11\u5143\uff1f

\u4e00\u3001\u586b\u7a7a\u9898\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517124\u5206\uff09
1.\uff08\uff0d1\uff092002\uff0d\uff08\uff0d1\uff092003=_________________.
\u7b54\u6848\uff1a2
2.\u5df2\u77e5\u67d0\u6570\u7684 \u6bd4\u5b83\u5927 \uff0c\u82e5\u8bbe\u67d0\u6570\u4e3ax\uff0c\u5219\u53ef\u5217\u65b9\u7a0b_______________.
\u7b54\u6848\uff1a x=x+
3.\u5982\u56fe1\uff0c\u70b9A\u3001B\u3001C\u3001D\u5728\u76f4\u7ebfl\u4e0a.\u5219BC=_________\uff0dCD\uff0cAB+________+CD=AD\uff1b\u82e5AB=BC=CD\uff0c\u5219AB=________BD.

\u56fe1
\u7b54\u6848\uff1aBD\uff0cBC\uff0c
4.\u82e5\u2220\u03b1=41\u00b032\u2032\uff0c\u5219\u5b83\u7684\u4f59\u89d2\u662f____________\uff0c\u5b83\u7684\u8865\u89d2\u662f__________.
\u7b54\u6848\uff1a48\u00b028\u2032\uff0c138\u00b028\u2032
5.\u5982\u56fe2\uff0c\u6c42\u4e0b\u5217\u5404\u89d2\uff1a\u22201=___________,\u22202=___________,\u22203=___________.

\u56fe2
\u7b54\u6848\uff1a62.5\u00b0\uff0c25\u00b0\uff0c130\u00b0
6.\u4e24\u6761\u76f4\u7ebf\u76f8\u4ea4\uff0c\u6709_____________\u4e2a\u4ea4\u70b9\uff1b\u4e09\u6761\u76f4\u7ebf\u4e24\u4e24\u76f8\u4ea4\u6700\u591a\u6709_____________\u4e2a\u4ea4\u70b9\uff0c\u6700\u5c11\u6709_____________\u4e2a\u4ea4\u70b9.
\u7b54\u6848\uff1a\u4e14\u53ea\u6709\u4e00\uff0c\u4e09\uff0c\u4e00
7.38\u00b012\u2032=_____________\u00b0\uff0c67.5\u00b0=__________\u00b0___________\u2032.
\u7b54\u6848\uff1a38.2\uff0c67\uff0c30
8.\u5982\u679c x2\uff0d3x=1\u662f\u5173\u4e8ex\u7684\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u5219a=_________________.
\u7b54\u6848\uff1a
\u4e8c\u3001\u9009\u62e9\u9898\uff1a\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517124\u5206\uff09
9.\u4e0b\u5217\u8bf4\u6cd5\u4e2d\uff0c\u6b63\u786e\u7684\u662f
A.\uff5ca\uff5c\u4e0d\u662f\u8d1f\u6570 B.\uff0da\u662f\u8d1f\u6570
C.\uff0d\uff08\uff0da\uff09\u4e00\u5b9a\u662f\u6b63\u6570 D. \u4e0d\u662f\u6574\u6570
\u7b54\u6848\uff1aA.
10.\u5e73\u9762\u4e0a\u6709\u4efb\u610f\u4e09\u70b9\uff0c\u7ecf\u8fc7\u5176\u4e2d\u4e24\u70b9\u753b\u4e00\u6761\u76f4\u7ebf\uff0c\u5171\u53ef\u4ee5\u753b
A.\u4e00\u6761\u76f4\u7ebf B.\u4e8c\u6761\u76f4\u7ebf C.\u4e09\u6761\u76f4\u7ebf D.\u4e00\u6761\u6216\u4e09\u6761\u76f4\u7ebf
\u7b54\u6848\uff1aD.
11.\u4e0b\u5217\u753b\u56fe\u8bed\u53e5\u4e2d\uff0c\u6b63\u786e\u7684\u662f
A.\u753b\u5c04\u7ebfOP=3 cm B.\u8fde\u7ed3A\u3001B\u4e24\u70b9
C.\u753b\u51faA\u3001B\u4e24\u70b9\u7684\u4e2d\u70b9 D.\u753b\u51faA\u3001B\u4e24\u70b9\u7684\u8ddd\u79bb
\u7b54\u6848\uff1aB.
12.\u4e0b\u5217\u56fe\u5f62\u4e2d\u80fd\u6298\u6210\u6b63\u65b9\u4f53\u7684\u6709

\u56fe3
A.1\u4e2a B.2\u4e2a C.3\u4e2a D.4\u4e2a
\u7b54\u6848\uff1aD.
13.\u4e0b\u5217\u56fe\u5f62\u662f\uff0c\u662f\u5de6\u8fb9\u56fe\u5f62\u7ed5\u76f4\u7ebfl\u65cb\u8f6c\u4e00\u5468\u540e\u5f97\u5230\u7684\u662f

\u56fe4
\u7b54\u6848\uff1aD.
14.\u56fe5\u662f\u67d0\u6751\u519c\u4f5c\u7269\u7edf\u8ba1\u56fe\uff0c\u5176\u4e2d\u6c34\u7a3b\u6240\u5360\u7684\u6bd4\u4f8b\u662f

\u56fe5
A.40% B.72% C.48% D.52%
\u7b54\u6848\uff1aC.
15.\u4e0b\u5217\u8bf4\u6cd5\uff0c\u6b63\u786e\u7684\u662f
\u2460\u6240\u6709\u7684\u76f4\u89d2\u90fd\u76f8\u7b49 \u2461\u6240\u6709\u7684\u4f59\u89d2\u90fd\u76f8\u7b49 \u2462\u7b49\u89d2\u7684\u8865\u89d2\u76f8\u7b49 \u2463\u76f8\u7b49\u7684\u89d2\u662f\u76f4\u89d2.\u5176\u4e2d\u6b63\u786e\u7684\u662f
A.\u2460\u2461 B.\u2460\u2462 C.\u2461\u2462 D.\u2462\u2463
\u7b54\u6848\uff1aB.
16.\u82e5\uff5cx\uff0d \uff5c+\uff082y+1\uff092=0\uff0c\u5219x2+ y2\u7684\u503c\u662f
A. B.
C.\uff0d D.\uff0d
\u7b54\u6848\uff1aB.
\u4e09\u3001\u89e3\u7b54\u4e0b\u5217\u5404\u9898
17.\u8ba1\u7b97\u9898\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517112\u5206\uff09
\uff081\uff09\uff08\uff0d \uff09\u00d7\uff08\uff0d1 \uff09\u00f7\uff08\uff0d1 \uff09 \uff082\uff0932\u00f7\uff08\uff0d2\uff093+\uff08\uff0d2\uff093\u00d7\uff08\uff0d \uff09\uff0d22
\uff083\uff09\uff08 \uff0d \uff09\u00f7\uff08 \uff0d \uff092\u00f7\uff08\uff0d6\uff092\uff0d\uff08\uff0d \uff092
\uff084\uff091 \u00d7\u30143\u00d7\uff08\uff0d \uff092\uff0d1\u3015\uff0d \u3014\uff08\uff0d2\uff092\uff0d\uff084.5\uff09\u00f73\u3015
\u7b54\u6848\uff1a\uff081\uff09\uff0d1 \uff082\uff09\uff0d2 \uff083\uff09\uff0d \uff084\uff09\uff0d
18.\u89e3\u65b9\u7a0b\uff1a\uff08\u6bcf\u5c0f\u98985\u5206\uff0c\u517110\u5206\uff09
\uff081\uff09 \u3014 \uff08 x\uff0d \uff09\uff0d8\u3015= x+1
\uff082\uff09 \uff0d \uff0d =0
\u7b54\u6848\uff1a\uff081\uff09x=\uff0d \uff082\uff09x=\uff0d
19.\uff086\u5206\uff09\u5982\u56fe6\uff0c\u5df2\u77e5AOB\u4e3a\u76f4\u7ebf\uff0cOC\u5e73\u5206\u2220AOD\uff0c\u2220BOD=50\u00b0\uff0c\u6c42\u2220AOC\u7684\u5ea6\u6570.

\u56fe6
\u7b54\u6848\uff1a65\u00b0
20.\uff086\u5206\uff09\u4e00\u4e2a\u89d2\u7684\u4f59\u89d2\u76843\u500d\u6bd4\u8fd9\u4e2a\u89d2\u7684\u8865\u89d2\u592718\u00b0\uff0c\u6c42\u8fd9\u4e2a\u89d2\u7684\u5ea6\u6570.
\u7b54\u6848\uff1a36\u00b0
21.\uff086\u5206\uff09\u5236\u4f5c\u9002\u5f53\u7684\u7edf\u8ba1\u56fe\u8868\u793a\u4e0b\u8868\u6570\u636e\uff1a
1949\u5e74\u4ee5\u540e\u6211\u56fd\u5386\u6b21\u4eba\u53e3\u666e\u67e5\u60c5\u51b5
\u5e74\u4efd 1953 1964 1982 1990 2000
\u4eba\u53e3\uff08\u4ebf\uff09 5.94 6.95 10.08 11.34 12.95
\u7b54\u6848\uff1a\u53ef\u5236\u4f5c\u6761\u5f62\u7edf\u8ba1\u56fe \uff08\u7565\uff09.
22.\uff0812\u5206\uff09\u4e00\u5217\u5ba2\u8f66\u957f200 m\uff0c\u4e00\u5217\u8d27\u8f66\u957f280 m\uff0c\u5728\u5e73\u884c\u7684\u8f68\u9053\u4e0a\u76f8\u5411\u884c\u9a76\uff0c\u4ece\u4e24\u8f66\u5934\u76f8\u9047\u5230\u4e24\u8f66\u5c3e\u76f8\u79bb\u7ecf\u8fc718 s\uff0c\u5df2\u77e5\u5ba2\u8f66\u4e0e\u8d27\u8f66\u7684\u901f\u5ea6\u4e4b\u6bd4\u662f5\u22363\uff0c\u95ee\u4e24\u8f66\u6bcf\u79d2\u5404\u884c\u9a76\u591a\u5c11\u7c73?
\u89e3\uff1a\u8bbe\u5ba2\u8f66\u7684\u901f\u5ea6\u662f5x\uff0c\u5219\u8d27\u8f66\u901f\u5ea6\u4e3a3x.\u6839\u636e\u9898\u610f\uff0c\u5f97
18\uff085x+3x\uff09=200+280.
\u89e3\u5f97x= \uff0c\u5373\u5ba2\u8f66\u7684\u901f\u5ea6\u662f m/s.\u8d27\u8f66\u7684\u901f\u5ea6\u662f10 m/s75\u00f7\u3014138\u00f7\uff08100-54\uff09\u3015 85\u00d7(95\uff0d1440\u00f724)
80400\uff0d(4300\uff0b870\u00f715) 240\u00d778\u00f7\uff08154-115\uff09
1437\u00d727\uff0b27\u00d7563 \u301475-\uff0812+18\uff09\u3015\u00f715
2160\u00f7\u3014\uff0883-79\uff09\u00d718\u3015 280\uff0b840\u00f724\u00d75
325\u00f713\u00d7(266\uff0d250) 85\u00d7(95\uff0d1440\u00f724)
58870\u00f7(105\uff0b20\u00d72) 1437\u00d727\uff0b27\u00d7563
81432\u00f7(13\u00d752\uff0b78) [37.85-\uff087.85+6.4\uff09] \u00d730
156\u00d7[(17.7-7.2)\u00f73] \uff08947\uff0d599\uff09\uff0b76\u00d764
36\u00d7(913\uff0d276\u00f723) [192\uff0d\uff0854\uff0b38\uff09]\u00d767
[\uff087.1-5.6\uff09\u00d70.9-1.15]\u00f72.5 81432\u00f7(13\u00d752\uff0b78)
5.4\u00f7[2.6\u00d7\uff083.7-2.9\uff09+0.62] \uff08947\uff0d599\uff09\uff0b76\u00d764 60\uff0d(9.5\uff0b28.9)]\u00f70.18 2.881\u00f70.43\uff0d0.24\u00d73.5 20\u00d7[(2.44\uff0d1.8)\u00f70.4\uff0b0.15] 28-(3.4 1.25\u00d72.4) 0.8\u00d7\u301415.5-(3.21 5.79)\u3015 \uff0831.8 3.2\u00d74\uff09\u00f75 194\uff0d64.8\u00f71.8\u00d70.9 36.72\u00f74.25\u00d79.9 3.416\u00f7\uff080.016\u00d735\uff09 0.8\u00d7[(10\uff0d6.76)\u00f71.2]
\uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09 (6.8-6.8\u00d70.55)\u00f78.5
0.12\u00d7 4.8\u00f70.12\u00d74.8 \uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
812-700\u00f7\uff089+31\u00d711\uff09 \uff083.2\u00d71.5+2.5\uff09\u00f71.6
85+14\u00d7\uff0814+208\u00f726\uff09 120-36\u00d74\u00f718+35
\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09 9.72\u00d71.6-18.305\u00f77

4/7\u00f7[1/3\u00d7\uff083/5-3/10\uff09] \uff084/5+1/4\uff09\u00f77/3+7/10
12.78\uff0d0\u00f7\uff08 13.4\uff0b156.6 \uff09 37.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09 3.2\u00d7\uff081.5+2.5\uff09\u00f71.6
85+14\u00d7\uff0814+208\u00f726\uff09 \uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
(6.8-6.8\u00d70.55)\u00f78.5 \uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
0.12\u00d7 4.8\u00f70.12\u00d74.8 \uff083.2\u00d71.5+2.5\uff09\u00f71.6
120-36\u00d74\u00f718+35 10.15-10.75\u00d70.4-5.7
5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74 347+45\u00d72-4160\u00f752
32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5 87\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
[\uff087.1-5.6\uff09\u00d70.9-1.15] \u00f72.5 \uff083.2\u00d71.5+2.5\uff09\u00f71.6
5.4\u00f7[2.6\u00d7\uff083.7-2.9\uff09+0.62] 12\u00d76\u00f7\uff0812-7.2\uff09-6
3.2\u00d76+\uff081.5+2.5\uff09\u00f71.6 \uff083.2\u00d71.5+2.5\uff09\u00f71.6
5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
33.02\uff0d\uff08148.4\uff0d90.85\uff09\u00f72.5
1)23+(-73)
(2)(-84)+(-49)
(3)7+(-2.04)
(4)4.23+(-7.57)
(5)(-7/3)+(-7/6)
(6)9/4+(-3/2)
(7)3.75+(2.25)+5/4
(8)-3.75+(+5/4)+(-1.5)
(9)(-17/4)+(-10/3)+(+13/3)+(11/3)
(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
(11)(+1.3)-(+17/7)
(12)(-2)-(+2/3)
(13)|(-7.2)-(-6.3)+(1.1)|
(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
(15)(-2/199)*(-7/6-3/2+8/3)
(16)4a)*(-3b)*(5c)*1/6
1. 3/7 \u00d7 49/9 - 4/3
2. 8/9 \u00d7 15/36 + 1/27
3. 12\u00d7 5/6 \u2013 2/9 \u00d73
4. 8\u00d7 5/4 + 1/4
5. 6\u00f7 3/8 \u2013 3/8 \u00f76
6. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
7. 5/2 -\uff08 3/2 + 4/5 \uff09
8. 7/8 + \uff08 1/8 + 1/9 \uff09
9. 9 \u00d7 5/6 + 5/6
10. 3/4 \u00d7 8/9 - 1/3

0.12\u03c7\uff0b1.8\u00d70.9=7.2 (9\uff0d5\u03c7)\u00d70.3=1.02 6.4\u03c7-\u03c7=28+4.4

11. 7 \u00d7 5/49 + 3/14
12. 6 \u00d7\uff08 1/2 + 2/3 \uff09
13. 8 \u00d7 4/5 + 8 \u00d7 11/5
14. 31 \u00d7 5/6 \u2013 5/6
15. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
16. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
17. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
18. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
19. 17/32 \u2013 3/4 \u00d7 9/24
20. 3 \u00d7 2/9 + 1/3
21. 5/7 \u00d7 3/25 + 3/7
22. 3/14 \u00d7\u00d7 2/3 + 1/6
23. 1/5 \u00d7 2/3 + 5/6
24. 9/22 + 1/11 \u00f7 1/2
25. 5/3 \u00d7 11/5 + 4/3
26. 45 \u00d7 2/3 + 1/3 \u00d7 15
27. 7/19 + 12/19 \u00d7 5/6
28. 1/4 + 3/4 \u00f7 2/3
29. 8/7 \u00d7 21/16 + 1/2
30. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
31.50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
32.120-144\u00f718+35
33.347+45\u00d72-4160\u00f752
34\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
35.95\u00f7\uff0864-45\uff09
36.178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
37.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
38.85+14\u00d7\uff0814+208\u00f726\uff09
39.\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
40.120-36\u00d74\u00f718+35
41.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
42.(6.8-6.8\u00d70.55)\u00f78.5
43.0.12\u00d7 4.8\u00f70.12\u00d74.8
44.\uff083.2\u00d71.5+2.5\uff09\u00f71.6 \uff082\uff093.2\u00d7\uff081.5+2.5\uff09\u00f71.6
45.6-1.6\u00f74= 5.38+7.85-5.37=
46.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
47.6.5\u00d7\uff084.8-1.2\u00d74\uff09= 0.68\u00d71.9+0.32\u00d71.9
48.10.15-10.75\u00d70.4-5.7
49.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
50.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5

51.-5+58+13+90+78-(-56)+50
52.-7*2-57/(3
53.(-7)*2/(1/3)+79/(3+6/4\uff09
54.123+456+789+98/(-4)
55.369/33-(-54-31/15.5)
56.39+{3x[42/2x(3x8)]}
57.9x8x7/5x(4+6)
58.11x22/(4+12/2)
59.94+(-60)/10


1.
a^3-2b^3+ab(2a-b)
=a^3+2a^2b-2b^3-ab^2
=a^2(a+2b)-b^2(2b+a)
=(a+2b)(a^2-b^2)
=(a+2b)(a+b)(a-b)

2.
(x^2+y^2)^2-4y(x^2+y^2)+4y^2
=(x^2+y^2-2y)^2

3.
(x^2+2x)^2+3(x^2+2x)+x^2+2x+3
=(x^2+2x)^2+4(x^2+2x)+3
=(x^2+2x+3)(x^2+2x+1)
=(x^2+2x+3)(x+1)^2

4.
(a+1)(a+2)+(2a+1)(a-2)-12
=a^2+3a+2+2a^2-3a-2-12
=3a^2-12
=3(a+2)(a-2)

5.
x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2
=[x(y+z)-y(x-z)]^2
=(xz+yz)^2
=z^2(x+y)^2

6.
3(a+2)^2+28(a+2)-20
=[3(a+2)-2][(a+2)+10]
=(3a+4)(a+12)

7.
(a+b)^2-(b-c)^2+a^2-c^2
=(a+b)^2-c^2+a^2-(b-c)^2
=(a+b+c)(a+b-c)+(a+b-c)(a-b+c)
=(a+b-c)(a+b+c+a-b+c)
=2(a+b-c)(a+c)

8.
x(x+1)(x^2+x-1)-2
=(x^2+x)(x^2+x-1)-2
=(x^2+x)^2-(x^2+x)-2
=(x^2+x-2)(x^2+x+1)
=(x+2)(x-1)(x^2+x+1)
1. 3/7 \u00d7 49/9 - 4/3
2. 8/9 \u00d7 15/36 + 1/27
3. 12\u00d7 5/6 \u2013 2/9 \u00d73
4. 8\u00d7 5/4 + 1/4
5. 6\u00f7 3/8 \u2013 3/8 \u00f76
6. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
7. 5/2 -\uff08 3/2 + 4/5 \uff09
8. 7/8 + \uff08 1/8 + 1/9 \uff09
9. 9 \u00d7 5/6 + 5/6
10. 3/4 \u00d7 8/9 - 1/3

0.12\u03c7\uff0b1.8\u00d70.9=7.2 (9\uff0d5\u03c7)\u00d70.3=1.02 6.4\u03c7-\u03c7=28+4.4

11. 7 \u00d7 5/49 + 3/14
12. 6 \u00d7\uff08 1/2 + 2/3 \uff09
13. 8 \u00d7 4/5 + 8 \u00d7 11/5
14. 31 \u00d7 5/6 \u2013 5/6
15. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
16. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
17. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
18. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
19. 17/32 \u2013 3/4 \u00d7 9/24
20. 3 \u00d7 2/9 + 1/3
21. 5/7 \u00d7 3/25 + 3/7
22. 3/14 \u00d7\u00d7 2/3 + 1/6
23. 1/5 \u00d7 2/3 + 5/6
24. 9/22 + 1/11 \u00f7 1/2
25. 5/3 \u00d7 11/5 + 4/3
26. 45 \u00d7 2/3 + 1/3 \u00d7 15
27. 7/19 + 12/19 \u00d7 5/6
28. 1/4 + 3/4 \u00f7 2/3
29. 8/7 \u00d7 21/16 + 1/2
30. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
31.50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
32.120-144\u00f718+35
33.347+45\u00d72-4160\u00f752
34\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
35.95\u00f7\uff0864-45\uff09
36.178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
37.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
38.85+14\u00d7\uff0814+208\u00f726\uff09
39.\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
40.120-36\u00d74\u00f718+35
41.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
42.(6.8-6.8\u00d70.55)\u00f78.5
43.0.12\u00d7 4.8\u00f70.12\u00d74.8
44.\uff083.2\u00d71.5+2.5\uff09\u00f71.6 \uff082\uff093.2\u00d7\uff081.5+2.5\uff09\u00f71.6
45.6-1.6\u00f74= 5.38+7.85-5.37=
46.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
47.6.5\u00d7\uff084.8-1.2\u00d74\uff09= 0.68\u00d71.9+0.32\u00d71.9
48.10.15-10.75\u00d70.4-5.7
49.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
50.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5

51.-5+58+13+90+78-(-56)+50
52.-7*2-57/(3
53.(-7)*2/(1/3)+79/(3+6/4\uff09
54.123+456+789+98/(-4)
55.369/33-(-54-31/15.5)
56.39+{3x[42/2x(3x8)]}
57.9x8x7/5x(4+6)
58.11x22/(4+12/2)
59.94+(-60)/10


1.
a^3-2b^3+ab(2a-b)
=a^3+2a^2b-2b^3-ab^2
=a^2(a+2b)-b^2(2b+a)
=(a+2b)(a^2-b^2)
=(a+2b)(a+b)(a-b)

2.
(x^2+y^2)^2-4y(x^2+y^2)+4y^2
=(x^2+y^2-2y)^2

3.
(x^2+2x)^2+3(x^2+2x)+x^2+2x+3
=(x^2+2x)^2+4(x^2+2x)+3
=(x^2+2x+3)(x^2+2x+1)
=(x^2+2x+3)(x+1)^2

4.
(a+1)(a+2)+(2a+1)(a-2)-12
=a^2+3a+2+2a^2-3a-2-12
=3a^2-12
=3(a+2)(a-2)

5.
x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2
=[x(y+z)-y(x-z)]^2
=(xz+yz)^2
=z^2(x+y)^2

6.
3(a+2)^2+28(a+2)-20
=[3(a+2)-2][(a+2)+10]
=(3a+4)(a+12)

7.
(a+b)^2-(b-c)^2+a^2-c^2
=(a+b)^2-c^2+a^2-(b-c)^2
=(a+b+c)(a+b-c)+(a+b-c)(a-b+c)
=(a+b-c)(a+b+c+a-b+c)
=2(a+b-c)(a+c)

8.
x(x+1)(x^2+x-1)-2
=(x^2+x)(x^2+x-1)-2
=(x^2+x)^2-(x^2+x)-2
=(x^2+x-2)(x^2+x+1)
=(x+2)(x-1)(x^2+x+1) 1\u3001\u5965\u8fd0\u4f1a\u4f1a\u573a\u91cc5\u63922\u53f7\u53ef\u4ee5\u7528\uff085\uff0c2\uff09\u8868\u793a\uff0c\u5219\uff087\uff0c4\uff09\u8868\u793a \u3002\u6bdb



2\u300181\u7684\u7b97\u672f\u5e73\u65b9\u6839\u662f______,=________.



3\u3001\u4e0d\u7b49\u5f0f\uff0d4x\u2265\uff0d12\u7684\u6b63\u6574\u6570\u89e3\u4e3a .



4\u3001\u8981\u4f7f\u6709\u610f\u4e49\uff0c\u5219x\u7684\u53d6\u503c\u8303\u56f4\u662f_______________\u3002



5\u3001\u5728\u25b3ABC\u4e2d,\u5df2\u77e5\u4e24\u6761\u8fb9a=3,b=4,\u5219\u7b2c\u4e09\u8fb9c\u7684\u53d6\u503c\u8303\u56f4\u662f_________.



6\u3001\u7b49\u8170\u4e09\u89d2\u5f62\u4e00\u8fb9\u7b49\u4e8e5\uff0c\u53e6\u4e00\u8fb9\u7b49\u4e8e8\uff0c\u5219\u5468\u957f\u662f_________ .



7\u3001\u5982\u56fe\u6240\u793a\uff0c\u8bf7\u4f60\u6dfb\u52a0\u4e00\u4e2a\u6761\u4ef6\u4f7f\u5f97AD\u2016BC\uff0c \u3002





8\u3001\u82e5\u4e00\u4e2a\u6570\u7684\u7acb\u65b9\u6839\u5c31\u662f\u5b83\u672c\u8eab\uff0c\u5219\u8fd9\u4e2a\u6570\u662f \u3002



9\u3001\u70b9P\uff08-2\uff0c1\uff09\u5411\u4e0a\u5e73\u79fb2\u4e2a\u5355\u4f4d\u540e\u7684\u70b9\u7684\u5750\u6807\u4e3a \u3002



10\uff0e\u89c2\u5bdf\u4e0b\u5217\u7b49\u5f0f\uff0c =2\uff0c=3\uff0c =4\uff0c\u8bf7\u4f60\u5199\u51fa\u542b\u6709n\uff08n>2\u7684\u81ea\u7136\u6570\uff09\u7684\u7b49\u5f0f\u8868\u793a\u4e0a\u8ff0\u5404\u5f0f\u89c4\u5f8b\u7684\u4e00\u822c\u5316\u516c\u5f0f\uff1a .






















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去括号:
1. 2-(1+x)+(1+x+x2+x3)
2.2a-3b+{4a-(3a-b)}
3.3b-2c-{-4a+(c+3b)}
4.(3x4-x3+3x)+2(5x4+3x2-7x)
5.(2x-3y)+(5x+4y)
6.(8a-7b)-(4a-5b)
7.a-(2a+b)+2(a-2b)
8.3(5x+4)-(3x-5)
9.(8x-3y)-(4x+3y-z)+2z
10.-5x2+(5x-8x2)-(-12x2+4x)+1

代数式:
如果x+y=2z,且x不等于y,则2x/x-y+y/y-z=?(/是分数线,前数是分子)

若a+b+c=0,则a(1/b+1/c)+b(1/a+1/c)+c(1/b+1/a)的值为_______

设m的2次方+m-1=0,则m的3次方+2乘以m的2次方+1997=______

已知a-b=1,c-a=2,则(a-b)的3次方+(c-d)的3次方+(c-a)=________

已知a乘以b的2次方=6,求ab(a乘以b的3次方+a的2次方乘以b的5次方-b)=________

买《三点一测》要多少有多少,我用的就是。

太多了

让我出题??????????

……这样也太不厚道了,我是来答题的,结果一看你让大家给你出题……



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