Question

1.25-1.25乘0.6简便运算

Answer 1

1.25 - 1.25×0.6
= 1.25 × (1 - 0.6)
= 1.25 × 0.4
= 0.5

Answer 2

1.25-1.25×0.6=1.25×（1-0.6）=1.25×0.4=0.5
做这道题先合并同类项1.25，然后再算就简单了。

Answer 3

0.5