Question

0.89×5.1-0.89×5怎么用简便方法？

Answer 1

0.89×5.1－0.89×5
=0.89×(5.1－5)
=0.89×0.1
=0.089
望采纳，谢谢！

Answer 2

0.89×5.1-0.89×5
=0.89×（5.1-5）
=0.89×0.1
=0.089

Answer 3

解:原式
=0.89×(5.1－5)
=0.89×0.1
=0.089

Answer 4

整数乘法分配律对小数乘法同样适用。
0.89×5.1-0.89×5
=(5.1-5)×0.89
=0.1×0.89
=0.089

Answer 5

0.89×5.1-0.89×5
=0.89×（5.1-5）
=0.89×0.1
=0.089
运用乘法的分配率