初中二元一次方程组题100道附带答案

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

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

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

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

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