Question

0.25✘0.89✘4简便计算求解求解

Answer 1

图

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还有一道题

4.8✘0.98简便计算

追答

Answer 2

0.25×0.89×4
=0.25×4×0.89
=1×0.89
=0.89

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在解决一道题

4.8✘0.98简便计算