46.5-x=21.5和29.24÷x=8.6怎么解
问题描述:
46.5-x=21.5和29.24÷x=8.6怎么解
答
46.5-X=21.5
X=46.5-21.5=25
29.24÷X=8.6
X=29.24÷8.6=3.4