Question

5.6×0.61+5.6×0.39-5.6怎么做？

Answer 1

5.6×0.61+5.6×0.39-5.6

=5.6×(0.61+0.39-1)

=5.6×(1-1)

=5.6×0

=0

Answer 2

5.6x0.61+5.6x0.39-5.6
＝5.6x0.61+5.6x0.39-5.6x1
＝5.6x（0.61+0.39-1）
＝5.6x（1一1）
＝5.6x0
＝0

Answer 3

可以使用提取公式因的方法进行计算：
5.6×0.61+5.6×0.39-5.6
=5.6×（0.61+0.39-1）
=5.6×0
=0

Answer 4

5.6Ⅹ0.61+5.6x0.39-5.6＝5.6x（0.61+0.39-1）＝5.6x0＝0

Answer 5

解：5.6×0.61+5.6×0.39-5.6
＝5.6×(0.61+0.39)-5.6
＝5.6×1-5.6
＝5.6-5.6
＝0
这道题的简便运算主要运用了乘法分配律。