14/17*5/22-3/22*5/17能用简便方法算吗

问题描述:

14/17*5/22-3/22*5/17能用简便方法算吗

14/17*5/22-3/22*5/17
=14/22*5/17-3/22*5/17
=(14/22-3/22)*5/17
=1/2*5/17
=5/34