4.5×9.2+0.45×8怎么简便计算

Question

如题所述

Answer 1

4.5×9.2+0.45×8
=4.5×(9.2+0.8)
=4.5×10
=45追答

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Answer 2

4.5×9.2+0.45×8
=4.5×9.2+4.5×0.8
=4.5×(9.2+0.8)
=4.5×10
=45

Answer 3

Answer 4

=0.45×92+0.45×8
=0.45(92+8)
=0.45×100
=45本回答被提问者和网友采纳