Question

0.5×2.5×12.5×64用简便方法计算

0.5×2.5×12.5×64用简便方法计算

Answer 1

0.5×2.5×12.5×64用简便方法计算
0.5×2.5×12.5×64
=1.25*8*1.25*8
=10*10
=100

Answer 2

把64拆分成2×4×8
0.5×2.5×12.5×64
=0.5×2.5×12.5×2×4×8
=（0.5×2）×（2.5×4）×（12.5×8）
=1×10×100
=1000

Answer 3

知道是怎么做到的