求人教版初一二元一次方程组练习题~
求人教版初一二元一次方程组练习题~
计算题,不要简单加减的.最好有乘除,括号,分数,
计算题,不要简单加减的.最好有乘除,括号,分数,
数学人气:209 ℃时间:2020-01-30 21:12:45
优质解答
1.二元一次方程4x-3y=12,当x=0,1,2,3时,y=______. 2.在x+3y=3中,若用x表示y,则y=______,用y表示x,则x=______. 4.把方程3(x+5)=5(y-1)+3化成二元一次方程的一般形式为______. (1)方程y=2x-3的解有______; (2)...
我来回答
类似推荐
猜你喜欢
- 1Marry has never been abroad before,but she finds her life interesting here. 这句话要怎么解读?
- 2附加题:(y-z)2+(x-y)2+(z-x)2=(y+z-2x)2+(z+x-2y)2+(x+y-2z)2. 求(yz+1)(zx+1)(xy+1)(x2+1)(y2+1)(z2+1)的值.
- 3lt is an orange(用lime改选择疑问句) My father can dive(用drive做选择疑问句)
- 4英语句子could you tell me what to do?中的“what to do”是不是宾语从句?如果是,那宾语...
- 5氢原子的核外电子绕核做圆周运动的轨迹半径为r,电子质量为m,电荷量为e,求电子绕核运动的速率和周期.
- 61.Occasionally,unusual creatures are washed to the shore,but they are rarely caught out at sea.2.When it was eventually
- 7《西江月.夜行黄沙道中》上片描写的景象
- 8一项工程,甲、乙合做4天后,余下的由甲独做8天完成任务.已知甲、乙工效比是4:5,甲、乙独做这项工程各要多少天?
- 9已知定义在R上的偶函数f(x)在(-∞,0)上是减函数,f(1/2)=0求不等式f(log4x)>0的解集A
- 10小学六年级课外古诗词