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9.9×4.6的简便算法

9.9*4.6=(10-0.1)*4.6=10*4.6-0.1*4.6=46-0.46=45.54

=(10-0.1)*4.6=46-0.46=45.54

4.6x9.9=4.6x(10-0.1)=4.6x10-4.6x0.1=46-0.46=45.54.

4.6*9.9+0.46 =4.6*9.9+4.6*0.1 =4.6*(9.9+0.1) =4.6*10 =46

9.9*4.6=(10-0.1)*4.6=10*4.6-0.1*4.6=46-0.46=45.54

9.9*4.6=(10-0.1)*4.6=46-0.46=45.54

9.9*4.6+4.6*十分之一=(9.9+0.1)X4.6=10X4.6=46如果您认可我的答案,请点击下面的“选为满意回答”按钮,谢谢!

10x4.6-0.1x4.6=46-0.46=45.54

4.7*9.9=4.7*(10-0.1)=4.7*10-4.7*0.1=47-0.47=46.53

36.7-9.97 =36.7-10+0.03=26.7+0.03=26.734.6*9.9=4.6*(10-0.1)=4.6*10-4.6*0.1=46-0.46=45.54不懂可追问,有帮助请采纳,谢谢!

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