1、二元一次方程组 习题及答案100道3x 5y94二元一次方程组 习题及答案100道 【2 】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
2、=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+9
3、y=77 8x+6y=94 29.6x+8y=68 7x+6y=66 30.2x+2y=22 7x+2y=471) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74xy=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x66y=4082 30xy=2940 答案:x=98 y=51 (5) 67x+54y=8546 71xy=5680 答案:x=80 y=59 (6) 42x95y=1410 21xy=1575 答案:x=75 y=48 (7) 47
4、x40y=853 34xy= 答案:x=59 y=48 (8) 19x32y=1786 75x+y=4950 答案:x=66 y=95 (9) 97x+24y=7202 58xy=2900 答案:x=50 y=98 (10) 42x+85y=6362 63xy=1638 答案:x=26 y=62 (11) 85x92y=2518 27xy=486 答案:x=18 y=44 (12) 79x+40y=2419 56xy=1176 答案:x=21 y=19 (13) 80x87y=2156 22xy=880 答案:x=40 y=12 (14) 32x+62y=5134 57x+y=2850 答案:
5、x=50 y=57 (15) 83x49y=82 59x+y=2183 答案:x=37 y=61 (16) 91x+70y=5845 95xy=4275 答案:x=45 y=25 (17) 29x+44y=5281 88xy=3608 答案:x=41 y=93 (18) 25x95y=4355 40xy=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) 48x54y=3186 24x+y=1080 答案:x=45 y=99 (22)
6、 36x+77y=7619 47xy=799 答案:x=17 y=91 (23) 13x42y=2717 31xy=1333 答案:x=43 y=78 (24) 28x+28y=3332 52xy=4628 答案:x=89 y=30 (25) 62x98y=2564 46xy=2024 答案:x=44 y=54 (26) 79x76y=4388 26xy=832 答案:x=32 y=91 (27) 63x40y=821 42xy=546 答案:x=13 y=41 (28) 69x96y=1209 42x+y=3822 答案:x=91 y=78 (29) 85x+67y=7338 11x+y=3
7、08 答案:x=28 y=74 (30) 78x+74y=12928 14x+y=1218 答案:x=87 y=83 (31) 39x+42y=5331 59xy=5841 答案:x=99 y=35 (32) 29x+18y=1916 58x+y=2320 答案:x=40 y=42 (33) 40x+31y=6043 45xy=3555 答案:x=79 y=93 (34) 47x+50y=8598 45x+y=3780 答案:x=84 y=93 (35) 45x30y=1455 29xy=725 答案:x=25 y=86 (36) 11x43y=1361 47x+y=799 答案:x=17 y
8、=36 (37) 33x+59y=3254 94x+y=1034 答案:x=11 y=49 (38) 89x74y=2735 68x+y=1020 答案:x=15 y=55 (39) 94x+71y=7517 78x+y=3822 答案:x=49 y=41 (40) 28x62y=4934 46x+y=552 答案:x=12 y=85 (41) 75x+43y=8472 17xy=1394 答案:x=82 y=54 (42) 41x38y=1180 29x+y=1450 答案:x=50 y=85 (43) 22x59y=824 63x+y=4725 答案:x=75 y=14 (44) 95x5
9、6y=401 90x+y=1530 答案:x=17 y=36 (45) 93x52y=852 29x+y=464 答案:x=16 y=45 (46) 93x+12y=8823 54x+y=4914 答案:x=91 y=30 (47) 21x63y=84 20x+y=1880 答案:x=94 y=30 (48) 48x+93y=9756 38xy=950 答案:x=25 y=92 (49) 99x67y=4011 75xy=5475 答案:x=73 y=48 (50) 83x+64y=9291 90xy=3690 答案:x=41 y=92 (51) 17x+62y=3216 75xy=7350
10、答案:x=98 y=25 (52) 77x+67y=2739 14xy=364 答案:x=26 y=11 (53) 20x68y=4596 14xy=924 答案:x=66 y=87 (54) 23x+87y=4110 83xy=5727 答案:x=69 y=29 (55) 22x38y=804 86x+y=6708 答案:x=78 y=24 (56) 20x45y=3520 56x+y=728 答案:x=13 y=84 (57) 46x+37y=7085 61xy=4636 答案:x=76 y=97 (58) 17x+61y=4088 71x+y=5609 答案:x=79 y=45 (59)
11、 51x61y=1907 89xy=2314 答案:x=26 y=53 (60) 69x98y=2404 21x+y=1386 答案:x=66 y=71 (61) 15x41y=754 74xy=6956 答案:x=94 y=16 (62) 78x55y=656 89x+y=5518 答案:x=62 y=76 (63) 29x+21y=1633 31xy=713 答案:x=23 y=46 (64) 58x28y=2724 35x+y=3080 答案:x=88 y=85 (65) 28x63y=2254 88xy=2024 答案:x=23 y=46 (66) 43x+50y=7064 85x+y
12、=8330 答案:x=98 y=57 (67) 58x77y=1170 38xy=2280 答案:x=60 y=30 (68) 92x+83y=11586 43x+y=3010 答案:x=70 y=62 (69) 99x+82y=6055 52xy=1716 答案:x=33 y=34 (70) 15x+26y=1729 94x+y=8554 答案:x=91 y=14 (71) 64x+32y=3552 56xy=2296 答案:x=41 y=29 (72) 94x+66y=10524 84xy=7812 答案:x=93 y=27 (73) 65x79y=5815 89x+y=2314 答案:x
13、=26 y=95 (74) 96x+54y=6216 63xy=1953 答案:x=31 y=60 (75) 60x44y=352 33xy=1452 答案:x=44 y=68 (76) 79x45y=510 14xy=840 答案:x=60 y=94 (77) 29x35y=218 59xy=4897 答案:x=83 y=75 (78) 33x24y=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
14、19y=2 86xy=1548 答案:x=18 y=88 (82) 19x96y=5910 30xy=2340 答案:x=78 y=77 (83) 80x+74y=8088 96xy=8640 答案:x=90 y=12 (84) 53x94y=1946 45x+y=2610 答案:x=58 y=12 (85) 93x+12y=9117 28xy=2492 答案:x=89 y=70 (86) 66x71y=1673 99xy=7821 答案:x=79 y=97 (87) 43x52y=1742 76x+y=1976 答案:x=26 y=55 (88) 70x+35y=8295 40x+y=292
15、0 答案:x=73 y=91 (89) 43x+82y=4757 11x+y=231 答案:x=21 y=47 (90) 12x19y=236 95xy=7885 答案:x=83 y=40 (91) 51x+99y=8031 71xy=2911 答案:x=41 y=60 (92) 37x+74y=4403 69xy=6003 答案:x=87 y=16 (93) 46x+34y=4820 71xy=5183 答案:x=73 y=43 (94) 47x+98y=5861 55xy=4565 答案:x=83 y=20 (95) 30x17y=239 28x+y=1064 答案:x=38 y=53 (96) 55x12y=4112 79xy=7268 答案:x=92 y=79 (97) 27x24y=450 67xy=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) 51x97y=297 19xy=1520 答案:x=80 y=39
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