(35+49)÷7 简便运算
问题描述:
(35+49)÷7 简便运算
答
(35+49)÷7
=35÷7 +49÷7
=5+7
=12
(35+49)÷7 简便运算
(35+49)÷7
=35÷7 +49÷7
=5+7
=12