用简便方法计算(70+7\5)\5
问题描述:
用简便方法计算(70+7\5)\5
答
(70+7/5)/5
=70/5+(7/5)/5
=14+7/5*1/5
用简便方法计算(70+7\5)\5
(70+7/5)/5
=70/5+(7/5)/5
=14+7/5*1/5