X:(55一x)=3:2解比例这题怎么解?

2025-06-22 03:04:58
推荐回答(2个)
回答1:

X:(55-X)=3:2
3×(55-X)=2X
3×55-3X=2X
5X=3×55
X=3×55÷5
X=33

回答2:

x:(55-x)=3:2
2x=3(55-x)
2x=165-3x
5x=165
x=33