二元一次方程组练习题打印版

1、.4x+6y=549x+2y=872x+y=72x+5y=19x+2y=213x+5y=563x+8y=51x+6y=2775x+43y=8472 17x-y=1394 41x-38y=-1180 29x+y=1450 22x-59y=824 63x+y=4725 5x+7y=525x+2y=225x+5y=657x+7y=2038x+4y=56x+4y=215x+7y=415x+8y=447x+5y=543x+4y=3833x+59y=3254 94x+y=1034 89x-74y=-2735 68x+y=1020 94x+71y=7517 78x+y=3822 9x+3y=994x+7y=

2、959x+2y=383x+6y=1828x-62y=-4934 46x+y=552 9x+7y=1354x+y=415x+5y=457x+9y=698x+2y=287x+8y=6276x-66y=408230x-y=294067x+54y=854671x-y=568042x-95y=-141021x-y=157547x-40y=85334x-y=200619x-32y=-178675x+y=495097x+24y=720258x-y=2900x+6y=143x+3y=276x+8y=687x+6y=662x+2y=227x+2y=477x+4y=672x+8y=2620x-68y=-4596

3、14x-y=924 23x+87y=4110 83x-y=5727 22x-38y=804 86x+y=6708 5x+4y=527x+6y=747x+y=94x+6y=166x+6y=486x+3y=428x+2y=167x+y=114x+9y=778x+6y=9442x+85y=6362 63x-y=1638 85x-92y=-2518 27x-y=486 70x+13y=3520 52x+y=2132 5x+4y=527x+6y=744(2x-y)=54x-y=30.5x+0.5y=11.5x-y=156x+23y=6414x-21y=105x+5y=10x-y=032.1x-7y=87

4、1.3y-65x=90x+y-45=915x-3y=233.14x+25.12y=5012.56x+50.24y=12066x+17y=396725x+y=120018x+23y=230374x-y=19987x+4y=672x+8y=268x+2y=167x+y=117x+y=94x+6y=166x+6y=486x+3y=4248x-54y=-3186 24x+y=10804x+9y=778x+6y=9444x+90y=779644x+y=347642x+85y=636263x-y=16382x+9y=81 3x+y=34 9x+4y=35 8x+3y=30 7x+2y=52 7x+4y=6

5、2 4x+6y=54 9x+2y=87 36x+77y=7619 47x-y=799 13x-42y=-2717 31x-y=1333 28x+28y=3332 52x-y=4628 62x-98y=-2564 46x-y=2024 2x+y=7 2x+5y=19 x+2y=21 3x+5y=56 5x+7y=52 5x+2y=22 5x+5y=65 7x+7y=203 8x+4y=56 x+4y=21 5x+7y=41 5x+8y=44 7x+5y=54 3x+4y=38 x+8y=15 4x+y=29 83x+64y=9291 90x-y=369018x+23y=230374x-y=199

6、8 44x+90y=7796 44x+y=3476 3x+6y=24 9x+5y=46 9x+2y=62 4x+3y=367x+4y=429x+4y=469x+7y=135 4x+y=41 3x+8y=51 x+6y=27 9x+3y=99 4x+7y=95 9x+2y=38 3x+6y=18 32x+62y=5134 57x+y=2850 83x-49y=82 59x+y=2183 91x+70y=5845 95x-y=4275 5x+5y=45 7x+9y=69 8x+2y=287x+8y=62x+6y=143x+3y=277x+4y=672x+8y=265x+4y=527x+6y=747

7、6x-66y=4082 30x-y=2940 67x+54y=8546 71x-y=5680 42x-95y=-1410 21x-y=1575 47x-40y=853 34x-y=2006 7x+y=94x+6y=166x+6y=486x+3y=428x+2y=167x+y=114x+9y=778x+6y=9479x+40y=2419 56x-y=1176 80x-87y=215622x-y=880 29x+44y=5281 88x-y=3608 25x-95y=-4355 40x-y=2000 54x+68y=3284 78x+y=140445x-30y=-1455 29x-y=725 2x

8、+2y=227x+2y=47 x-y=3 3x-8y=43x+2y=75x-2y=140x+31y=6043 45x-y=3555 47x+50y=8598 45x+y=3780 6x+8y=687x+6y=6611x-43y=-1361 47x+y=799 95x-56y=-401 90x+y=1530 x+8y=154x+y=293x+6y=249x+5y=469x+2y=624x+3y=369x+4y=467x+4y=4293x-52y=-852 29x+y=464 93x+12y=8823 54x+y=4914 21x-63y=84 20x+y=1880 48x+93y=9756 38

9、x-y=950 99x-67y=4011 75x-y=5475 6x+8y=687x+6y=662x+2y=227x+2y=472x+y=34x-3y=5x+y=22x+3y=55x+45-y=1x-y=-45y+x+1=32x-y=1019x-32y=-1786 75x+y=4950 97x+24y=7202 58x-y=2900 79x-76y=-4388 26x-y=832 63x-40y=-821 42x-y=546 69x-96y=-1209 42x+y=3822 85x+67y=7338 11x+y=308 78x+74y=12928 14x+y=1218 39x+42y=5331 59x-y=5841 29x+18y=1916 58x+y=2320 40x+31y=6043 45x-y=355547x+50y=8598 45x+y=3780 45x-30y=-1455 29x-y=725 11x-43y=-1361 47x+y=799