二元一次方程组计算题100题.pdf

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1、1.2*+9y=813*+y=342.9*+4y=358*+3y=303.7*+2y=527*+4y=624.4*+6y=549*+2y=875.2*+y=72*+5y=196.*+2y=213*+5y=567.5*+7y=525*+2y=228.5*+5y=657*+7y=2039.8*+4y=56*+4y=2110.5*+7y=415*+8y=4411.7*+5y=543*+4y=3812.*+8y=154*+y=2913.3*+6y=249*+5y=4614.9*+2y=624*+3y=3615.9*+4y=467*+4y=4216.9*+7y=1354*+y=4117.3*+8y=51

2、*+6y=2718.9*+3y=994*+7y=9519.9*+2y=383*+6y=1820.5*+5y=457*+9y=6921.8*+2y=28-7*+8y=6222.*+6y=143*+3y=2723.7*+4y=672*+8y=2624.5*+4y=527*+6y=7425.7*+y=94*+6y=1626.6*+6y=486*+3y=4227.8*+2y=167*+y=1128.4*+9y=778*+6y=9429.6*+8y=687*+6y=6630.2*+2y=227*+2y=4731.5*+3y=83*+5y=832.6*-7y=5*+2y=433.10*-8y=14*+y=

3、534.4*+7y=3*+y=035.3*+y=107*-y=2036.44*+10y=27*+y=137.8*-y=0*+y=1838.11*-y=1211y-*=-1239.5*+6y=272*+3y=1240.7*-2y=4*+2y=1241.(2*+y)-5y=22*-5y=0.z.42.7*-3y=33*+2y=2143.7*+2y=21y-6*=144.10*-8y=03*-2y=245.3*+y=105*-7y=846.3*-2y=1*-y=347.*+3y=-53*-4y=-248.y-3*=2*-2y=649.5*+3y=22*-y=350.9*-3y=122*+y=651.

4、2*+3y=73*+2y=352.3*+2y=18*+y=753.2*-5y=1*+y=354.*+8y=4425*+6y=48055.3*-2y=57*-4y=1156.3*-5y=22*-y=357.4*-3y=182*-y=858.*-2y=5*+3y=-559.3*+y=72*+3y=760.3*-2y=72*-3y=361.23*+17y=6317*+23y=5762.*-y=2-*+1=2(y-1)63.*-5y=03*+2y=1764.*+2=42(y-3)=665.3(y-2)=*-12(*-1)=5y-866.*+2y+2=07*-4y=-4167.*-3y+20=03*+7

5、y-100=068.2*+y=13*-2y=-969.3*-4y+11=03y-4*+53=070.4y=3*+45y=4*+371.7*-3y+1=04*-5y=-1772.3*-y-3=04*+3y=1773.*-y=32y+3(*-y)=1174.xy3413*-4y=23(*-4)=4(y+2)3*+2y=102(*+1)-y=112(2*+y)-5=7y75.6*+6y=486*+3y=4276.(2*+y)-5y=22*-5y=081.3x 12y 12*+y=282.x4y3433(*-4)=4(y+2)83.2*-3y=-53*+2y=12.z.84.3*-2(*+2y)=31

6、1*+4(*+2y)=4585.*-2y=386.9*+2y=203*+4y=1087.15x 13y 250.5*-0.3y=0.288.11*-9y=12-4*+3y=-589.3*+5y=66*+15y=1690.3*-y-3=04*+3y=1791.*+y=5000.7+0.9y=386x 0.92.56y 124x5 0.4y 893.x4 y 1*+4y=4x y 994.2x3y2 695.3*+5y=198*-3y=6796.x 1167x52*-1=3y+397.*-2y=71-3*=y 1298.5.3*+4.7y=1124.7+5.3y=88xy99.25 4x7y15 3100.*+y=93(*+y)+2*=33-.z.