Question

的简便计算方法怎么做？

Answer 1

因为125x8=1000 25x4=100
故：1.25x2.5x96=1.25x2.5x8x4x3=(1.25x8)x(2.5x4)x3=10x10x3=300(式子中括号可省略)

Answer 2

1.25 X 2.5 X 96
= 0.125 X 25 X 4 X 24
= 0.125 X 100 X 3 X 8
= 1 X 300
= 300