6.7×3.2+0.67×68(简便计算)
问题描述:
6.7×3.2+0.67×68(简便计算)
答
6.7×3.2+0.67×68
=6.7×3.2+6.7×6.8
=6.7×(3.2+6.8)
=67
答
等于1503.48
答
6.7×﹙3.2﹢6.8﹚
6.7×10
67
答
6.7×3.2+0.67×68
=6.7x(3.2+6.8)
=6.7x10
=67
答
6.7×3.2+0.67×68
=0.67x32+0.67x68
=0.67x(32+68)
=0.67x100
=67