1.6X5.5一1.6的简便运算

Question

如题所述

Answer 1

1.6*5.5-1.6=1.6*（5.5-1）=1.6*4.5=1.6*4+1.6*0.5=6.4+0.8=7.2

Answer 2

1.6x5.5-1.6
=1.6（5.5-1）
=1.6x4.5
=7.2

Answer 3

1.6X5.5一1.6
=1.6×(5.5-1)
=1.6×4.5
=7.2本回答被网友采纳

Answer 4

1.6×5.5-1.6
=1.6×（5.5-1）
=1.6×4.5
=7.2

Answer 5

原式等于
1.6×（5.5-1）=7.2
~回答完毕~
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