136×135分之2 简便计算
问题描述:
136×135分之2 简便计算
答
136× 2/135
=(135+1)×2/135
=135 × 2/135 +1× 2/135
=2+ 2/135
=2又2/135
答
136X2/135
=(135+1)x2/135
=135X2/135+1x2/135
=2+2/135
=2又2/135