Question

8.78×5.5-5.5×4.78的简便计算？

Answer 1

这道题目可以用综合运算的分配律和结合律来进行简便计算：
8.78×5.5-5.5×4.78
=5.5x8.78-5.5x4.78
=5.5x(8.78-4.78)
=5.5x4
=22

Answer 2

8.78×5.5-5.5×4.78
=5.5x（8.78-4.78）
=5.5x4
=22

Answer 3

8.78×5.5-5.5×4.78
=5.5x（8.78-4.78）
=5.5x4
=22

Answer 4

8.78×5.5-5.5×4.78
=5.5×（8.78-4.78）
=5.5×4
=22.

Answer 5

8.78×5.5-5.5×4.78=5.5×（8.78-4.78）=5.5×4=22