6.54*9.9加6.54*0.1简便计算
问题描述:
6.54*9.9加6.54*0.1简便计算
答
原式=6.54×(9.9+0.1)
=6.54×10
=65.4
6.54*9.9加6.54*0.1简便计算
原式=6.54×(9.9+0.1)
=6.54×10
=65.4