(12.5-0.25)×8等于多少,用简便方法计算
问题描述:
(12.5-0.25)×8等于多少,用简便方法计算
答
(12.5-0.25)×8
=12.8x8-0.25x4x2
=100-2
=98是12.5的(12.5-0.25)×8
=12.5x8-0.25x4x2
=100-2
=98哦,懂了,谢谢不客气!