Question

1.25乘48×0点九简便方法怎么算

1.25乘48×0点九简便方法怎么算

Answer 1

1.25×48×0.9
=1.25×8×6×0.9
=10×6×0.9
=60×0.9
=54

Answer 2

原式
=1.25x48x0.9
=1.25x(8x6)x0.9
=(1.25x8)x(6x0.9)
=10x5.4
=54

供参考。