(1.5+4.5+11.5)乘以2简便运算
问题描述:
(1.5+4.5+11.5)乘以2简便运算
答
(1.5+4.5+11.5)乘以2
=3+9+23
=12+23
=35
(1.5+4.5+11.5)乘以2简便运算
(1.5+4.5+11.5)乘以2
=3+9+23
=12+23
=35