Question

1.25×0.25×5×6.4×0.23简便计算

1.25×0.25×5×6.4×0.23简便计算

Answer 1

1.25×0.25×5×6.4×0.23
=1.25*0.25*5*(0.8*4*2)*0.23
=(1.25*0.8)*(0.25*4)*(5*2)*0.23
=1*1*10*0.23
=2.3

Answer 2

1.25×0.25×5×6.4×0.23=1.25×0.25×32×0.23=1.25×8×0.23=10×0.23=2.3

Answer 3

1.25×0.25×5×6.4×0.23
=1.25×0.25×5×(8x4x0.2)×0.23
=(1.25x8)x(0.25x4)x(5x0.2)x0.23
=10x1x1x0.23
=10x0.23
=2.3

Answer 4

1.25×0.25×5×6.4×0.23
=1.25x0.8x0.25x4x5x2x0.23
=1x1x10x0.23
=2.3

Answer 5

1.25*0.25*5*6.4*0.23
＝1.25*0.25*5*0.8*4*2*0.23
＝（1.28*0.8）*（0.25*4）*（5*2）*0.23
＝1*1*10*0.23
＝2.3