Question

简便运算:0.25X0.78X4？可以提什么问题

Answer 1

0.25×0.78×4
=0.25×4×0.78
=1×0.78
=0.78
这道题运用了乘法交换律

Answer 2

0.25×0.78×4
=0.25×4×0.78 乘法交换律
=1×0.78
=0.78
问:答案是什么
中间运用了什么方法

Answer 3

0.25×0.78×4
＝（0.25×4）×0.78
＝1×0.78
＝0.78

Answer 4

0.25×0.78×4
＝0.25×4×0.78
＝1×0.78
＝0.78

Answer 5

0.25×0.78×4
=0.25×4×0.78
=1×0.78
=0.78