给40道一元一次方程，30道二元一次方程组，10道三元一次方程组 二元一次方程组20道 一元一次方程组10道 三元一次方程组2...

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(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

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(1) 66x+17y=3967
25x+y=1200
答案：x=48 y=47
(2) 18x+23y=2303
74x-y=1998
答案：x=27 y=79
(3) 44x+90y=7796
44x+y=3476
答案：x=79 y=48
(4) 76x-66y=4082
30x-y=2940
答案：x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案：x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案：x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案：x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案：x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案：x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案：x=26 y=62
(11) 85x-92y=-2518
27x-y=486
答案：x=18 y=44
(12) 79x+40y=2419
56x-y=1176
答案：x=21 y=19
(13) 80x-87y=2156
22x-y=880
答案：x=40 y=12
(14) 32x+62y=5134
57x+y=2850
答案：x=50 y=57
(15) 83x-49y=82
59x+y=2183
答案：x=37 y=61
(16) 91x+70y=5845
95x-y=4275
答案：x=45 y=25
(17) 29x+44y=5281
88x-y=3608
答案：x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
答案：x=50 y=59
(19) 54x+68y=3284
78x+y=1404
答案：x=18 y=34
(20) 70x+13y=3520
52x+y=2132
答案：x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案：x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案：x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案：x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案：x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案：x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案：x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案：x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案：x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案：x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案：x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案：x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案：x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案：x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案：x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案：x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案：x=17 y=36
(37) 33x+59y=3254
94x+y=1034
答案：x=11 y=49
(38) 89x-74y=-2735
68x+y=1020
答案：x=15 y=55
(39) 94x+71y=7517
78x+y=3822
答案：x=49 y=41
(40) 28x-62y=-4934
46x+y=552
答案：x=12 y=85
(41) 75x+43y=8472
17x-y=1394
答案：x=82 y=54
(42) 41x-38y=-1180
29x+y=1450
答案：x=50 y=85
(43) 22x-59y=824
63x+y=4725
答案：x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案：x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案：x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案：x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案：x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案：x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案：x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案：x=41 y=92

1.x+2=3 x=1
2.x+32=33 x=1
3.x+6=18 x=12
4.4+x=47 x=43
5.19-x=8 x=11
6.98-x=13 x=85
7.66-x=10 x=56
8.5x=10 x=2
9.3x=27 x=9
10.7x=7 x=1
11.8x=8 x=1
12.9x=9 x=1
13.10x=100 x=10
14.66x=660 x=10
15.7x=49 x=7
16.2x=4 x=2
17.3x=9 x=3
18.4x=16 x=4
19.5x=25 x=5
20.6x=36 x=6
21.8x=64 x=8
22.9x=81 x=9
23.10x=100 x=10
24.11x=121 x=11
25.12x=144 x=12
26.13x=169 x=13
27.14x=196 x=14
28.15x=225 x=15
29.16x=256 x=16
30.17x=289 x=17
31.18x=324 x=18
32.19x=361 x=19
33.20x=400 x=20
31.21x=441 x=21
32.22x=484 x=22
33.111x=12321 x=111
34.1111x=1234321 x=1111
35.11111x=123454321 x=11111
36.111111x=12345654321 x=111111
37.46/x=23 x=2
38.64/x=8 x=8
39.99/x=11 x=9
40.1235467564x=0 x=0 。

缁40閬撲竴鍏冧竴娆℃柟绋,30閬撲簩鍏冧竴娆℃柟绋嬬粍,10閬撲笁鍏冧竴娆℃柟绋嬬粍
绛旓細(27) 63x-40y=-821 42x-y=546

40閬撲竴鍏冧竴娆℃柟绋 瑕佽В棰樿繃绋嬪拰绛旀
绛旓細锛1锛12锛2-3X锛=4X+4 24-36X=4X+4 -40X=-20 X=1/2 (2)6-3锛圶+2/3锛=2/3 6-3X-2=2/3 -3X=-10/3 X=10/9 (3)2锛200-15X锛=70+25X 400-30X=70+25X -55X=-330 X=6 (4)3锛2X+1锛=12 6X+3=12 6X=9 X=3/2 (5)1/4X-1/2=3/4 (1/4)X=5/4 X=...

鎬ラ渶40閬甯︽嫭鍙疯В涓鍏冧竴娆℃柟绋鐨勯
绛旓細1/2(x-1)-1/3(x+1)=1 2(x-1)-3(x+1)=1/2 2(x-1/2)-3(x+1/3)=1 2(1/2x-1)-3(1/3x+1)=1 1/2(2x-1)-1/3(3x+1)=

涓鍏冧竴娆℃柟绋50閬撹繃绋
绛旓細7(2x-1)-3(4x-1)=4(3x+2)-1;(5y+1)+ (1-y)= (9y+1)+ (1-3y);20%+(1-20%)(320-x)=320脳40%2(x-2)+2=x+12(x-2)-3(4x-1)=9(1-x)x/3 -5 = (5-x)/22(x+1) /3=5(x+1) /6 -1(1/5)x +1 =(2x+1)/4(5-2)/2 - (4+x)/3 =1 x/3 -...

涓鍏冧竴娆℃柟绋璁＄畻棰30閬 鏄绠楅
绛旓細2 3锛坸+2锛=8 3 7X-6=8 4 5(2x+7)=55 5 锛8-x锛夛紙6-2X)=10 6 9x-8x=19 7 5X+40=100 8 36-15x=6 9 4x-8=3x+19 10 7x+5=54 11 1/2+1/6+1/12+x+1/30=1-1/30 12 0.6x+x/10-0.2=6/5 13 2-(3x/8+1/6梅1/3)=35/24 14 3.5/105=x/33 15 7....

姹40閬撲竴鍏冧竴娆℃柟绋缁
绛旓細15. 1/2x+2=6 1/2x=4 x=8 16. 3x+1=4 3x=3 x=1 17. 4x-2=2 4x=4 x=1 18. x-5=6 x=11 19. 0.3x=45 x=150 20. 5x+4=0 5x=-4 x=-0.8 涓瀹氳40棰樺悧 鎴戣寰楅鐩兘宸笉澶氱殑鍟 杩20浼氫簡 鍒殑涔熶竴鏍锋妸 ...

40閬绋嶅鏉鏂圭▼
绛旓細40閬绋嶅鏉傛柟绋嬪涓嬶細涓鍏冧竴娆℃柟绋锛2x + 5 = 10涓鍏冧簩娆℃柟绋嬶細x^2 + 3x + 2 = 0涓鍏冮珮娆℃柟绋嬶細x^3 + 2x^2 - 5x + 6 = 0浜屽厓涓娆℃柟绋嬬粍锛2x + 3y = 10锛5x - y = 2浜屽厓浜屾鏂圭▼缁勶細x^2 + y^2 = 25锛3x - 4y = 6 涓夊厓涓娆℃柟绋嬬粍锛歺 + y + z = 10锛2x - ...

涓鍏冧竴娆℃柟绋绠楁湳棰樺強绛旀,澶氬嚭甯︽嫭鍙峰拰甯﹀垎姣嶇殑,鍦ㄧ嚎绛40~50閬,楂...
绛旓細1/2+1/6+1/12+x+1/30=1-1/30(瑕佺敤绠渚跨畻娉曞阀绠楃殑)(绛旀锛1/20)0.6x+x/10-0.2=6/5(绛旀锛2)2-(3x/8+1/6梅1/3)=35/24(绛旀锛1/9)3.5/105=x/33(绛旀锛1.1)7.5:x=24:12(绛旀锛3.75)杩欐牱鐨勮鍚楋紵灏忓鍏勾绾х殑 1/3锛歺=5:6(绛旀锛0.4)2x/3-x/5=4.9(...

缁欐垜鍑涓鍏冧竴娆℃柟绋50閬(鍐欏叏杩囩▼)
绛旓細33.111x=12321 34.1111x=1234321 35.11111x=123454321 36.111111x=12345654321 37.46/x=23 38.64/x=8 39.99/x=11 40.1235467564x=0 41.2x+1= -2+x 42.4x-3(20-x)=3 43.锛-2(x-1)=4 44.3X+189=521 45.4Y+119=22 5 46.3X+77=59 47.4Y-6985=81 48.X=0.1 49.5X...

40閬撲竴鍏冧竴娆℃柟绋棰
绛旓細30x+40x=35 3x+2x=12 16a-12a=124 2y+6y=9.6 7m-m=60 x+1/2=4/5 x-1/8=3/4 2/9+x=5/6 x-1/2=3/5 x+2/5=17/20 8x-5x=1.8 3x+4x=6.3 1/6+x=2/3

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