5/1除以[(3/2+5/1*13/8]

问题描述:

5/1除以[(3/2+5/1*13/8]

5/1除以[(3/2+5/1*13/8]
=5/1÷(3/2+65/8)
=5/1÷195/154
=5/1×154/195
=65/154