Question

你能用几种方法计算0.25乘4.4的结果?请把过程写下来

Answer 1

0.25×4.4

=0.25×4×1.1

=1×1.1

=1.1

另

0.25×（4+0.4）

=0.25×4+0.25×0.4

=1+0.1

=1.1