七年级下册二元一次方程纯计算题100题

1、WOR/式七年级下册二元一次方程纯计算题100题1.率+9y=81+y=342. 9x+4y=358x+3y=303. 7x+2y=527x+4y=624.4x+6y=549x+2y=875.2x+y=72x+5y=196.x+2y=213x+5y=567. 5x+7y=521 5x+2y=228.5x+5y=657x+7y=2039. 8x+4y=56 x+4y=2110.小x+7y=415x+8y=4411.7x+5y=543x+4y=3812. x+8y=154x+y=29专业资料整理WOR/式13.；x+6y=24 +5y=4614. 9x+2y=62 4x+3y=3615. 9x+4

2、y=467x+4y=4216. 9x+7y=1354x+y=4117. 3x+8y=51 x+6y=2718. 9x+3y=994x+7y=9519. fex+2y=383x+6y=1820. 5x+5y=457x+9y=6921. 8x+2y=287x+8y=6221. £x+2y=2822. x+6y=147x+8y=623x+3y=2723. 7x+4y=672x+8y=26专业资料整理WOR/式24.5x+4y=527*6y=7425.7x+y=94x+6y=1626.6x+6y=486x+3y=4227.Bx+2y=16 7x+y=ll28. 4x+9y=778x+6y=9

3、429. 6x+8y=687x+6y=6630.2x+2y=227x+2y=4731.5x+3y=83x+5y=832.6x-7y=5x+2y=433.10卜8y=14 x+y=534.4x+7y=3x+y=035.3x+y=107x-y=20专业资料整理WOR/式36.44卜10y=271 x+y=137.8x-y=0 x+y=1838.11x-y=1211y-x=-1239.5x+6y=272x+3y=1240.7x-2y=4x+2y=1241.(2x+y)-5y=22x-5y=042.7x-3y=33x+2y=2143.7x+2y=21y-6x=144.10x-8y=03x-2y=245

4、gx+y=1051-7y=846.3x-2y=1x-y=34 47.y-3x=2 |x-2y=6专业资料整理WOR/式48.9伊=12 Tx+y=649.x+3y=-53x-4y=-2502x+3y=73x+2y=351,x+2y=18卜+y=752.2x-5y=1x+y=353.x+8y=423x-4y=-20544x 3y5 _55、*+_4x 6y14xy4 .56._2xy13x2y657.2x3y1723x17y = 6358. ：. JIk17x23y5759.13x16y 0+ =12x25y10343x 一 2y 一 160. 1 近；一2x 3y 83x-5y=2 I2x-y

5、=3专业资料整理WOR/式61.x y_ _ -335二生一12562. px+9y=813x+y=34'x什=5(y + 2)63_3(2x5)4(3y 4) 564, 43)66.x 22(y3x2y - 47i65 3x2y _ 195x+7y=52 x+2y=22rx y -867、二 +=_5x 2(x y) 168. 4x+6y=54 %x+2y=8769、5x 2y 8一 =J3x y 770.5x+5y=657x+7y=203专业资料整理WOR/式67.2x+y=775.18x+23y=23032X+5y=194x+90y=7796f68.x+2y=213x+5y=56

6、7,67x+54y=854671x-y=568071.8x+4y=56x+4y=2177.42x-95y=-141021x-y=157572.3x+8y=51x+6y=2778.47x-40y=853b4x-y=202273.px+3y=99 llx+23y=230379,9x-32y=-178675x+y=4950专业资料整理WOR/式80.97x+24y=720284.80x-87y=215658x-y=29002x-y=88081.f2x+85y=63623x-y=163885p2x+62y=513457x+y=285082.85x-92y=-251827x-y=48686.83x-49

7、y=8259x+y=218374.66x+17y=39678725x+y=1200m n 二 334m n 132383.79x+40y=241956x-y=11765x 2y 11a88 1 一 = #4x 4y 6a、为)专业资料整理WOR/式专业资料整理WOR/式x y3x4yF 589、x y 二12x y _z = 1393、y z x _ 1； z x y _ 3_y( 二90、x(y-1) 1 x) 2；x(x 1) y x20x y -1694、 Jy + z = 12;z x 101+ +3x 3y3x 2y-一 22- 591、；3(2x3y)2(3x2y)25236+ =J + =3x y 4z 13 + 'fcl95、5x y 3z 5;x y z 3十,_ + =x 2 y 1 23292、x 2 1