(3/8+1/27)×8+19/27简便
问题描述：
(3/8+1/27)×8+19/27
简便
答
4
(3/8)*8+8/27+19/27=3+27/27=4
答
5
答
(3/8+1/27)×8+19/27
=3/8*8+1/27*8+19/27
=3+（8/27+19/27）
=3+27/27
=3+1
=4