19/4+(36/7-19/4) 怎样用简便方法计算?
问题描述:
19/4+(36/7-19/4) 怎样用简便方法计算?
答
解;原式=19/4+36/7-19/4
=36/7
19/4+(36/7-19/4) 怎样用简便方法计算?
解;原式=19/4+36/7-19/4
=36/7