数学
求200道二元一次方程和200道一元一次不等式练习题(简单点的)

2019-04-13

求200道二元一次方程和200道一元一次不等式练习题(简单点的)
优质解答
1.2x+y=34x-3y=52.x+y=22x+3y=53.5x+45-y=1x-y=-454.y+x+1=32x-y=105.4(2x-y)=54x-y=36.0.5x+0.5y=11.5x-y=17.56x+23y=6414x-21y=108.5x+5y=10x-y=09.32.1x-7y=871.3y-65x=9010.x+y-45=915x-3y=23(1) 66x+17y=3967 2... 1.2x+y=34x-3y=52.x+y=22x+3y=53.5x+45-y=1x-y=-454.y+x+1=32x-y=105.4(2x-y)=54x-y=36.0.5x+0.5y=11.5x-y=17.56x+23y=6414x-21y=108.5x+5y=10x-y=09.32.1x-7y=871.3y-65x=9010.x+y-45=915x-3y=23(1) 66x+17y=3967 2...
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