0.5×140×0.02×48 怎么简算
问题描述:
0.5×140×0.02×48 怎么简算
答
0.5x140x0.02x48
=0.5x2x70x0.02x6x8
=1x1.4x6x8
=1.4x6x8
=8.4x8
=67.2