8×2.5+2x=24.8 用方程解- -
问题描述:
8×2.5+2x=24.8 用方程解- -
答
20+2X=24.8
2X=24.8-20
2X=4.8
X=2.4
8×2.5+2x=24.8 用方程解- -
20+2X=24.8
2X=24.8-20
2X=4.8
X=2.4