用简便计算(2-1/65)*13
问题描述:
用简便计算(2-1/65)*13
答
(2-1/65)*13
=2×13-1/65×13
=26-1/5
=25又4/5
用简便计算(2-1/65)*13
(2-1/65)*13
=2×13-1/65×13
=26-1/5
=25又4/5