解方程(比例)4x+3×0.7=6.5 &nbs...
解方程(比例)4x+3×0.7=6.5x:8=34:115....
解方程(比例)4x+3×0.7=6.5 x:8= 3 4 :1 1 5 .
展开
伤逝_JayuZ犉
2014-11-04
·
TA获得超过142个赞
知道答主
回答量:175
采纳率:100%
帮助的人:126万
关注
(1)4x+3×0.7=6.5, 4x+2.1=6.5, 4x+2.1-2.1=6.5-2.1, 4x=4.4, 4x÷4=4.4÷4, x=1.1; (2)x:8= :1 , 1 x=8× , 1 x=6, 1 x× =6× , x=5. |
收起
为你推荐: