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38x54十47x38一38简便计算

38x54+47x38-38的简便运算=38x(54+47-1)=38x100=3800 再看看别人怎么说的.

38x54十47x38一38的简便运算 解:根据提取公因式的简便方法,原式=38x(54+47-1)=38x100=3800

38X54十47X38一38简便方法=38x(54+47-1)=38x100=3800

38*(54+47-1)

=38乘100=3800

3800 解: 38*54+47*38-38 =38*(54+47-1) =38*(101-1) =38*100 =3800

38x54 + 47x38-38=38x(54+47-1)=38x100=3800

38X54十38*48-38*2,的简便算法38X54十38*48-38*2 =38*(54+48-2) =38*100 =3800

47x54十47x47一47 简便运算47x54十47x47一47 =47*(54+47-1) =47*100 =4700

46x38+38x54=(46+54)x38=100x38=3800

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