【二元一次方程组练习题】求二元一次方程组练习题100道是40道

发布时间:2021-03-29 19:45:26

求二元一次方程组练习题100道是40道 数学

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【答案】 1.2x+9y=81
   3x+y=34
   2.9x+4y=35
   8x+3y=30
   3.7x+2y=52
   7x+4y=62
   4.4x+6y=54
   9x+2y=87
   5.2x+y=7
   2x+5y=19
   6.x+2y=21
   3x+5y=56
   7.5x+7y=52
   5x+2y=22
   8.5x+5y=65
   7x+7y=203
   9.8x+4y=56
   x+4y=21
  10.5x+7y=41
   5x+8y=44
  11.7x+5y=54
   3x+4y=38
  12.x+8y=15
   4x+y=29
  13.3x+6y=24
   9x+5y=46
  14.9x+2y=62
   4x+3y=36
  15.9x+4y=46
   7x+4y=42
  16.9x+7y=135
   4x+y=41
  17.3x+8y=51
   x+6y=27
  18.9x+3y=99
   4x+7y=95
  19.9x+2y=38
   3x+6y=18
  20.5x+5y=45
   7x+9y=69
  21.8x+2y=28
   7x+8y=62
  22.x+6y=14
   3x+3y=27
  23.7x+4y=67
   2x+8y=26
  24.5x+4y=52
   7x+6y=74
  25.7x+y=9
   4x+6y=16
  26.6x+6y=48
   6x+3y=42
  27.8x+2y=16
   7x+y=11
  28.4x+9y=77
   8x+6y=94
  29.6x+8y=68
   7x+6y=66
  30.2x+2y=22
   7x+2y=47
  31. x-y=3
   3x-8y=4
   x=y+3
  32. 3x+2y=7
   5x-2y=1
  33. x=3-5t
   3y-2t=x
  (33) 40x+31y=6043
  45x-y=3555
  (34) 47x+50y=8598
  45x+y=3780
  (35) 45x-30y=-1455
  29x-y=725
  (36) 11x-43y=-1361
  47x+y=799
  (37) 33x+59y=3254
  94x+y=1034
  (38) 89x-74y=-2735
  68x+y=1020
  (39) 94x+71y=7517
  78x+y=3822
  (40) 28x-62y=-4934
  46x+y=552
  (41) 75x+43y=8472
  17x-y=1394
  (42) 41x-38y=-1180
  29x+y=1450
  (43) 22x-59y=824
  63x+y=4725
  (44) 95x-56y=-401
  90x+y=1530
  (45) 93x-52y=-852
  29x+y=464
  (46) 93x+12y=8823
  54x+y=4914
  (47) 21x-63y=84
  20x+y=1880
  (48) 48x+93y=9756
  38x-y=950
  (49) 99x-67y=4011
  75x-y=5475
  
  (50) 83x+64y=9291
  90x-y=3690
  (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
  (51) 17x+62y=3216
  75x-y=7350
  答案:x=98 y=25
  (52) 77x+67y=2739
  14x-y=364
  答案:x=26 y=11
  (53) 20x-68y=-4596
  14x-y=924
  答案:x=66 y=87
  (54) 23x+87y=4110
  83x-y=5727
  答案:x=69 y=29
  (55) 22x-38y=804
  86x+y=6708
  答案:x=78 y=24
  (56) 20x-45y=-3520
  56x+y=728
  答案:x=13 y=84
  (57) 46x+37y=7085
  61x-y=4636
  答案:x=76 y=97
  (58) 17x+61y=4088
  71x+y=5609
  答案:x=79 y=45
  (59) 51x-61y=-1907
  89x-y=2314
  答案:x=26 y=53
  (60) 69x-98y=-2404
  21x+y=1386
  答案:x=66 y=71
  (61) 15x-41y=754
  74x-y=6956
  答案:x=94 y=16
  (62) 78x-55y=656
  89x+y=5518
  答案:x=62 y=76
  (63) 29x+21y=1633
  31x-y=713
  答案:x=23 y=46
  (64) 58x-28y=2724
  35x+y=3080
  答案:x=88 y=85
  (65) 28x-63y=-2254
  88x-y=2024
  答案:x=23 y=46
  (66) 43x+50y=7064
  85x+y=8330
  答案:x=98 y=57
  (67) 58x-77y=1170
  38x-y=2280
  答案:x=60 y=30
  (68) 92x+83y=11586
  43x+y=3010
  答案:x=70 y=62
  (69) 99x+82y=6055
  52x-y=1716
  答案:x=33 y=34
  (70) 15x+26y=1729
  94x+y=8554
  答案:x=91 y=14
  (71) 64x+32y=3552
  56x-y=2296
  答案:x=41 y=29
  (72) 94x+66y=10524
  84x-y=7812
  答案:x=93 y=27
  (73) 65x-79y=-5815
  89x+y=2314
  答案:x=26 y=95
  (74) 96x+54y=6216
  63x-y=1953
  答案:x=31 y=60
  (75) 60x-44y=-352
  33x-y=1452
  答案:x=44 y=68
  (76) 79x-45y=510
  14x-y=840
  答案:x=60 y=94
  (77) 29x-35y=-218
  59x-y=4897
  答案:x=83 y=75
  (78) 33x-24y=1905
  30x+y=2670
  答案:x=89 y=43
  (79) 61x+94y=11800
  93x+y=5952
  答案:x=64 y=84
  (80) 61x+90y=5001
  48x+y=2448
  答案:x=51 y=21
  (81) 93x-19y=2
  86x-y=1548
  答案:x=18 y=88
  (82) 19x-96y=-5910
  30x-y=2340
  答案:x=78 y=77
  (83) 80x+74y=8088
  96x-y=8640
  答案:x=90 y=12
  (84) 53x-94y=1946
  45x+y=2610
  答案:x=58 y=12
  (85) 93x+12y=9117
  28x-y=2492
  答案:x=89 y=70
  (86) 66x-71y=-1673
  99x-y=7821
  答案:x=79 y=97
  (87) 43x-52y=-1742
  76x+y=1976
  答案:x=26 y=55
  (88) 70x+35y=8295
  40x+y=2920
  答案:x=73 y=91
  (89) 43x+82y=4757
  11x+y=231
  答案:x=21 y=47
  (90) 12x-19y=236
  95x-y=7885
  答案:x=83 y=40
  (91) 51x+99y=8031
  71x-y=2911
  答案:x=41 y=60
  (92) 37x+74y=4403
  69x-y=6003
  答案:x=87 y=16
  (93) 46x+34y=4820
  71x-y=5183
  答案:x=73 y=43
  (94) 47x+98y=5861
  55x-y=4565
  答案:x=83 y=20
  (95) 30x-17y=239
  28x+y=1064
  答案:x=38 y=53
  (96) 55x-12y=4112
  79x-y=7268
  答案:x=92 y=79
  (97) 27x-24y=-450
  67x-y=3886
  答案:x=58 y=84
  (98) 97x+23y=8119
  14x+y=966
  答案:x=69 y=62
  (99) 84x+53y=11275
  70x+y=6790
  答案:x=97 y=59
  (100) 51x-97y=297
  19x-y=1520
  答案:x=80 y=38 追问: 复印机远点,这我都看过了 追答: …………
  谁没事给你写一百道题,吃饱了撑的 追问: 40道有没有啊?
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