8/ 2/3 x = 4/5
问题描述:
8/ 2/3 x = 4/5
答
8÷2/3 x = 4/5
2/3x=8÷4/5
x=10÷2/3
x=15
8/ 2/3 x = 4/5
8÷2/3 x = 4/5
2/3x=8÷4/5
x=10÷2/3
x=15