初一二元一次方程组题 初一二元一次方程组练习题
\u521d\u4e00\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u8ba1\u7b97\u9898100\u9053\uff08\u6709\u7b54\u6848\uff09(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=38
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A\u3001 B\u3001 C\u3001 D\u3001
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A\u3001 B\u3001 C\u3001 D\u3001
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A\u300112 B\u3001 C\u3001 D\u3001
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A\u3001 B\u3001 C\u3001 D\u3001
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A\u30014 B\u30013 C\u30012 D\u30011
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A\u30010 B\u30011 C\u30012 D\u3001
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A\u3001 B\u3001
C\u3001 D\u3001
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1\u3001 \u4e2d\uff0c\u82e5 \u5219 _______\u3002
2\u3001\u7531 _______\uff0c _______\u3002
3\u3001\u5982\u679c \u90a3\u4e48 _______\u3002
4\u3001\u5982\u679c \u662f\u4e00\u4e2a\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u90a3\u4e48\u6570 =___\uff0c =__\u3002
5\u3001\u8d2d\u9762\u503c\u5404\u4e3a20\u5206\uff0c30\u5206\u7684\u90ae\u7968\u517127\u679a\uff0c\u7528\u6b3e6.6\u5143\u3002\u8d2d20\u5206\u90ae\u7968_____\u679a\uff0c30\u5206\u90ae\u7968_____\u679a\u3002
6\u3001\u5df2\u77e5 \u662f\u65b9\u7a0b \u7684\u4e24\u4e2a\u89e3\uff0c\u90a3\u4e48 = \uff0c =
7\u3001\u5982\u679c \u662f\u540c\u7c7b\u9879\uff0c\u90a3\u4e48 = \uff0c = \u3002
8\u3001\u5982\u679c \u662f\u5173\u4e8e \u7684\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u90a3\u4e48 = \u3002
\u4e09\u3001\u7528\u9002\u5f53\u7684\u65b9\u6cd5\u89e3\u4e0b\u5217\u65b9\u7a0b\uff08\u6bcf\u98984\u5206\uff0c\u517124\u5206\uff09
1\u3001 2\u3001
3\u3001 4\u3001
5\u3001 \uff08 \u4e3a\u5e38\u6570\uff09 6\u3001 \uff08 \u4e3a\u5e38\u6570\uff09
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1\u3001\u521d\u4e00\u7ea7\u5b66\u751f\u53bb\u67d0\u5904\u65c5\u6e38\uff0c\u5982\u679c\u6bcf\u8f86\u6c7d\u8f66\u575045\u4eba\uff0c\u90a3\u4e48\u670915\u4e2a\u5b66\u751f\u6ca1\u6709\u5ea7\u4f4d\uff1b\u5982\u679c\u6bcf\u8f86\u6c7d\u8f66\u575060\u4eba\uff0c\u90a3\u4e48\u7a7a\u51fa1\u8f86\u6c7d\u8f66\u3002\u95ee\u4e00\u5de5\u591a\u5c11\u540d\u5b66\u751f\u3001\u591a\u5c11\u8f86\u6c7d\u8f66\u3002
2\u3001\u67d0\u6821\u4e3e\u529e\u6570\u5b66\u7ade\u8d5b\uff0c\u6709120\u4eba\u62a5\u540d\u53c2\u52a0\uff0c\u7ade\u8d5b\u7ed3\u679c\uff1a\u603b\u5e73\u5747\u6210\u7ee9\u4e3a66\u5206\uff0c\u5408\u683c\u751f\u5e73\u5747\u6210\u7ee9\u4e3a76\u5206\uff0c\u4e0d\u53ca\u683c\u751f\u5e73\u5747\u6210\u7ee9\u4e3a52\u5206\uff0c\u5219\u8fd9\u6b21\u6570\u5b66\u7ade\u8d5b\u4e2d\uff0c\u53ca\u683c\u7684\u5b66\u751f\u6709\u591a\u5c11\u4eba\uff0c\u4e0d\u53ca\u683c\u7684\u5b66\u751f\u6709\u591a\u5c11\u4eba\u3002
3\u3001\u6709\u4e00\u4e2a\u4e24\u4f4d\u6570\uff0c\u5176\u6570\u5b57\u548c\u4e3a14\uff0c\u82e5\u8c03\u6362\u4e2a\u4f4d\u6570\u5b57\u4e0e\u5341\u4f4d\u6570\u5b57\uff0c\u5c31\u6bd4\u539f\u6570\u592718\u5219\u8fd9\u4e2a\u4e24\u4f4d\u6570\u662f\u591a\u5c11\u3002\uff08\u7528\u4e24\u79cd\u65b9\u6cd5\u6c42\u89e3\uff09
4\u3001\u7532\u4e59\u4e24\u5730\u76f8\u8ddd20\u5343\u7c73\uff0cA\u4ece\u7532\u5730\u5411\u4e59\u5730\u65b9\u5411\u524d\u8fdb\uff0c\u540c\u65f6B\u4ece\u4e59\u5730\u5411\u7532\u5730\u65b9\u5411\u524d\u8fdb\uff0c\u4e24\u5c0f\u65f6\u540e\u4e8c\u4eba\u5728\u9014\u4e2d\u76f8\u9047\uff0c\u76f8\u9047\u540eA\u5c31\u8fd4\u56de\u7532\u5730\uff0cB\u4ecd\u5411\u7532\u5730\u524d\u8fdb\uff0cA\u56de\u5230\u7532\u5730\u65f6\uff0cB\u79bb\u7532\u5730\u8fd8\u67092\u5343\u7c73\uff0c\u6c42A\u3001B\u4e8c\u4eba\u7684\u901f\u5ea6\u3002
\u7b54\u6848
\u7b2c\u516b\u7ae0¡8.1
\u4e00\u30011\u3001-4\uff0c- 2\u3001 3\u3001-1\uff0c1 4\u30012\uff0c3
5\u3001 6\u30012.75 7\u3001 8\u300111.5
\u4e8c\u3001ADDBCCAADB
\u4e09\u30011\u3001\u5f53 \u65f6\uff0c 2\u3001\u7565 3\u3001
\u00a78.2
\u4e00\u30011\u3001 2\u3001 3\u3001 4\u3001 5\u3001
6\u3001
\u4e8c\u30011\u3001 2\u3001 3\u3001 4\u3001 5\u3001 6\u3001
\u4e09\u30011\u3001 2\u3001 3\u3001\u957f \u3001\u5bbd
\u00a78.3
1\u3001 2\u3001 3\u30012.25Km 4\u3001\u4f53\u64cd\u961f10\u4eba\uff0c\u6392\u7403\u961f15\u4eba\uff0c\u7bee\u7403\u961f12\u4eba 5\u3001\u8bbe\u7532\u7684\u901f\u5ea6\u662fx\u5343\u7c73/\u5c0f\u65f6\uff0c\u4e59\u7684\u901f\u5ea6\u662fy\u5343\u7c73/\u5c0f\u65f6\uff0c 6\u30017\u3001 8\u3001\u5e735\u573a\u62163\u573a\u62161\u573a 9\u3001
\u7b2c\u516b\u5355\u5143\u6d4b\u8bd5
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\u4e8c\u30011\u30014 2\u3001 3\u30012 4\u3001 5\u300115 6\u3001 7\u3001
8\u3001
\u4e09\u30011\u3001 2\u3001 3\u3001 4\u3001 5
6\u3001
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4\u3001A\u7684\u901f\u5ea65.5\u5343\u7c73/\u65f6\uff0cB\u7684\u901f\u5ea6\u662f4.5\u5343\u7c73/\u65f6
52x-y=4628
答案：x=89 y=30
62x-98y=-2564
46x-y=2024
答案：x=44 y=54
79x-76y=-4388
26x-y=832
答案：x=32 y=91
63x-40y=-821
42x-y=546
答案：x=13 y=41
69x-96y=-1209
42x+y=3822
答案：x=91 y=78
85x+67y=7338
11x+y=308
答案：x=28 y=74
78x+74y=12928
14x+y=1218
答案：x=87 y=83
39x+42y=5331
59x-y=5841
答案：x=99 y=35
29x+18y=1916
58x+y=2320
答案：x=40 y=42
40x+31y=6043
45x-y=3555
答案：x=79 y=93
47x+50y=8598
45x+y=3780
答案：x=84 y=93
45x-30y=-1455
29x-y=725
答案：x=25 y=86
11x-43y=-1361
47x+y=799
答案：x=17 y=36
33x+59y=3254
94x+y=1034
答案：x=11 y=49
89x-74y=-2735
68x+y=1020
答案：x=15 y=55
94x+71y=7517
78x+y=3822
答案：x=49 y=41
28x-62y=-4934
46x+y=552
答案：x=12 y=85
75x+43y=8472
17x-y=1394
答案：x=82 y=54
41x-38y=-1180
29x+y=1450
答案：x=50 y=85
22x-59y=824
63x+y=4725
答案：x=75 y=14
95x-56y=-401
90x+y=1530
答案：x=17 y=36
93x-52y=-852
29x+y=464
答案：x=16 y=45
93x+12y=8823
54x+y=4914
答案：x=91 y=30
21x-63y=84
20x+y=1880
答案：x=94 y=30
48x+93y=9756
38x-y=950
答案：x=25 y=92
99x-67y=4011
75x-y=5475
答案：x=73 y=48
83x+64y=9291
90x-y=3690
答案：x=41 y=92
17x+62y=3216
75x-y=7350
答案：x=98 y=25
20x-68y=-4596
14x-y=924
答案：x=66 y=87
23x+87y=4110
83x-y=5727
答案：x=69 y=29
绛旓細1) 66x+17y=3967 25x+y=1200 绛旀锛歺=48 y=47 (2) 18x+23y=2303 74x-y=1998 绛旀锛歺=27 y=79 (3) 44x+90y=7796 44x+y=3476 绛旀锛歺=79 y=48 (4) 76x-66y=4082 30x-y=2940 绛旀锛歺=98 y=51 (5) 67x+54y=8546 71x-y=5680 绛旀锛歺=80 y=59 (6) 42x-95y=...
绛旓細28x+28y=3332 52x-y=4628 绛旀锛歺=89 y=30 62x-98y=-2564 46x-y=2024 绛旀锛歺=44 y=54 79x-76y=-4388 26x-y=832 绛旀锛歺=32 y=91 63x-40y=-821 42x-y=546 绛旀锛歺=13 y=41 69x-96y=-1209 42x+y=3822 绛旀锛歺=91 y=78 85x+67y=7338 11x+y=308 绛旀锛歺=28 ...
绛旓細1锛変緷棰樻剰鍒鏂圭▼缁锛4x+4y=360 (1)2x+y=100 (2)(1)-(2)*2锛2y=160 y=80 (3)(3)浠ｅ叆(2)锛2x+80=100 2x=20 x=10 x=10(浜)銆亂=80(浜)2锛変緷棰樻剰鍒楁柟绋嬬粍锛4x+4y=360-100 (4)2x+y=100+25 (5)(4)-(5)*2锛2y=10 y=5 (6)(6)浠ｅ叆(5)锛2x+...
绛旓細11銆佷笅鍒楀悇鏂圭▼鍝釜鏄簩鍏冧竴娆℃柟绋( ) A銆 x-B銆 =1 B銆亁y=2 C銆4x2-C銆 y=3 D銆 . 12銆浜屽厓涓娆℃柟绋嬬粍 鐨勮В鏄---( ) A. B. C. D. 13銆佷笅鍒楁柟绋嬬粍涓,灞炰簬浜屽厓涓娆℃柟绋嬬粍鐨勬槸 () A銆 B銆 C銆 D銆 14銆佷笅鍒椾笉绛夊紡涓槸涓鍏冧竴娆′笉绛夊紡鐨勬槸鈥︹︹() A銆 B銆 C銆 D銆 15銆佸鏋 ...
绛旓細銆2銆戣В锛氳涔1鍏冪殑X寮狅紝0.5鍏冪殑Y寮 鍒橷+0.5Y=30锛孹+Y=40 瑙ｅ緱X=20锛孻=20 绛旓細涓ょ鍚勪拱20寮犮傘3銆戣В锛氳鐢叉暟涓篨锛屼箼鏁颁负Y 鍒2X+3Y=25锛孹/2-Y/3=3 2X-4Y/3=12 瑙ｅ緱X=8锛孻=3 绛旓細鐢叉暟涓8锛屼箼鏁颁负3 銆4銆戣В锛氳鐢疯繍鍔ㄥ憳鏈塜浜猴紝濂宠繍鍔ㄥ憳鏈塝浜 鍒橷+1=Y锛1500...
绛旓細銆愬弬鑰冪瓟妗堛戝寲绠鈶犲緱 x+3=2(y-9)x-2y=-21 鈶 鍖栫畝鈶″緱 16x-2y=24 鈶 鈶-鈶㈠緱 15x=45 x=3 鎶妜=3甯﹀叆鈶㈠緱 y=12 鈭 鍘鏂圭▼鐨勮В涓簒=3, y=12
绛旓細32. 6x-7y=5 x+2y=4 33. 10x-8y=14 x+y=5 34. 4x+7y=3 x+y=0 35. 3x+y=10 7x-y=20 36. 44x+10y=27 x+y=1 37. 8x-y=0 x+y=18 38. 11x-y=12 11y-x=-12 39. 5x+6y=27 2x+3y=12 40. 7x-2y=4 x+2y=12 41. (2x+y)-5y=2 2x-5y=0...
绛旓細绛旀锛歺=87 y=82 2)44x+60y=6340 15x+42y=4122 绛旀锛歺=20 y=91 3)11x+74y=3548 71x+45y=4730 绛旀锛歺=40 y=42 4)53x+54y=3229 70x+43y=2877 绛旀锛歺=11 y=49 5)43x+9y=801 76x+16y=1420 绛旀锛歺=9 y=46 6)55x+32y=6161 45x+84y=10707 绛旀锛歺=55 y=98 7...
绛旓細56x-y=1176 绛旀锛歺=21 y=19 80x-87y=2156 22x-y=880 绛旀锛歺=40 y=12 32x+62y=5134 57x+y=2850 绛旀锛歺=50 y=57 83x-49y=82 59x+y=2183 绛旀锛歺=37 y=61 91x+70y=5845 95x-y=4275 绛旀锛歺=45 y=25 29x+44y=5281 88x-y=3608 绛旀锛歺=41 y=93 25x-95y=-...
绛旓細(2) 18x+23y=2303 74x-y=1998 绛旀锛歺=27 y=79 (3) 44x+90y=7796 44x+y=3476 绛旀锛歺=79 y=48 (4) 76x-66y=4082 30x-y=2940 绛旀锛歺=98 y=51 (5) 67x+54y=8546 71x-y=5680 绛旀锛歺=80 y=59 (6) 42x-95y=-1410 21x-y=1575 绛旀锛歺=75 y=48 (7) 47x-40...
