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3.25÷0.25x4简便计算

3.25÷0.25x4简便计算 =3.25x4x4 =13x4 =52

6除0.25加0.75除0.25.3乘4加0.25乘4

15.25x4+1.75÷0.25 =15.25x4+1.75÷1/4 =15.25x4+1.75×4 =(15.25+1.75)x4 =17×4 =68

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