二元一次方程组练习题+答案100道(2)

(1) 66x+17y=396725x+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