把3.5:7分之5化成最简单的整数比!
问题描述:
把3.5:7分之5化成最简单的整数比!
答
7/2:5/7
=7/2×7/5
=49/10
=49:10
把3.5:7分之5化成最简单的整数比!
7/2:5/7
=7/2×7/5
=49/10
=49:10