2X除以2/3=6/5 2/3:4/5=3/10X
问题描述:
2X除以2/3=6/5 2/3:4/5=3/10X
答
2X除以2/3=6/5
3X=6/5
X=6/5÷3
X=2/5
2/3:4/5=3/10X
5/6=3/10X
X=5/6÷3/10
X=25/9