Question

8.78×5.5-5.5×4.78的简便计算？

Answer 1

这条问题的解答是
= (8.78-4.78)×5.5=4×5.5=22
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Answer 2

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

Answer 3

8.78×5.5-5.5×4.78
=5.5×（8.78-4.78）
=5.5×4
=2.2

Answer 4

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

Answer 5

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