x+2.5x=0.7怎麼解
问题描述:
x+2.5x=0.7怎麼解
答
3.5X=0.7
X=0.7/3.5
X=0.2
x+2.5x=0.7怎麼解
3.5X=0.7
X=0.7/3.5
X=0.2