1.25×32×6.4的简便算法
问题描述：
1.25×32×6.4的简便算法
答
把32拆成4乘8
答
1.25*32*6.4
=1.25*8*4*8*8*0.1
=10*0.1*4*8*8
=16*16
=256
答
1.25 X 8 X 4 X 6.4
10 X 6.4 X 4
256
答
1.25×32×6.4=1.25*8*4*6.4=10*25.6=256
答
1.25×32×6.4
=1.25×8×4×6.4
=10×4×6.4
=40×6.4
=256
答
1.25×32×6.4
=1.25*8*4*6.4
=10*4*6.4
=40*6.4
=256