105×( 1/3+1/5)简便运算
问题描述:
105×( 1/3+1/5)简便运算
答
=105×1/3+105×1/5
=35+21
=56
105×( 1/3+1/5)简便运算
=105×1/3+105×1/5
=35+21
=56