七年级下册二元一次方程纯计算题100题VIP专享VIP免费

七年级下册二元一次方程纯计算题100题1.2x+9y=812.9x+4y=353.7x+2y=523x+y=348x+3y=307x+4y=624.4x+6y=545.2x+y=76.x+2y=219x+2y=872x+5y=193x+5y=567.5x+7y=528.5x+5y=659.8x+4y=565x+2y=227x+7y=203x+4y=2110.5x+7y=4111.7x+5y=5412.x+8y=155x+8y=443x+4y=384x+y=2913.3x+6y=2414.9x+2y=6215.9x+4y=469x+5y=464x+3y=367x+4y=4216.9x+7y=13517.3x+8y=5118.9x+3y=994x+y=41x+6y=274x+7y=9519.9x+2y=3820.5x+5y=4521.8x+2y=283x+6y=187x+9y=697x+8y=6221.8x+2y=2822.x+6y=1423.7x+4y=677x+8y=623x+3y=272x+8y=2624.5x+4y=5225.7x+y=926.6x+6y=487x+6y=744x+6y=166x+3y=4227.8x+2y=1628.4x+9y=7729.6x+8y=687x+y=118x+6y=947x+6y=6630.2x+2y=2231.5x+3y=832.6x-7y=57x+2y=473x+5y=8x+2y=433.10x-8y=1434.4x+7y=335.3x+y=10x+y=5x+y=07x-y=2036.44x+10y=2737.8x-y=038.11x-y=12x+y=1x+y=1811y-x=-1239.5x+6y=2740.7x-2y=441.(2x+y)-5y=22x+3y=12x+2y=122x-5y=042.7x-3y=343.7x+2y=2144.10x-8y=03x+2y=21y-6x=13x-2y=245.3x+y=1046.3x-2y=147.y-3x=25x-7y=8x-y=3x-2y=648.9x-3y=1249.x+3y=-5502x+3y=72x+y=63x-4y=-23x+2y=3513x+2y=1852.2x-5y=153.x+8y=42x+y=7x+y=33x-4y=-20543x-5y=22x-y=355、1464534yxyx56.58.572317631723yxyx59.124yxyx57.1732623yxyx1034251201613yxyx60.832123yxyx61.1522353yxyx635)43(4)52(3)2(51yxyx6519234723yxyx67、1)(258yxxyx69、52837xyxy62.2x+9y=813x+y=34646)3(242yx66.5x+7y=525x+2y=2268.4x+6y=549x+2y=8770.5x+5y=657x+7y=20367.2x+y=72x+5y=1968.x+2y=213x+5y=5671.8x+4y=56x+4y=2172.3x+8y=51x+6y=2773.9x+3y=9918x+23y=230375.18x+23y=230344x+90y=779676.67x+54y=854671x-y=568077.42x-95y=-141021x-y=157578.47x-40y=85334x-y=200679.19x-32y=-178675x+y=495080.97x+24y=720258x-y=290081.42x+85y=636263x-y=163882.85x-92y=-251827x-y=48674.66x+17y=396725x+y=120083.79x+40y=241956x-y=117684.80x-87y=215622x-y=88085.32x+62y=513457x+y=285086.83x-49y=8259x+y=2183871332343nmnm；88)(6441125为已知数aayxayx；89、125432yxyxyx；90、0)1(2)1()1(2xyxxxyyx；91、6253)23(22)32(32523233yxyxyxyx；92、1213222132yxyx；93、3113yxzxzyzyx；94、101216xzzyyx；95、35351343zyxzyxzyx；96、30325:3:7:4:zyxzxyx；971032xyxy981032xyyx991032xyyx1001032xyxy