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37x98十74简便计算

37*98+74=37*98+37*2=37*(98+2)=37*100=3700

37*九八加474怎样简便计算37*九八加474=37*99+37+437=37*(99+1)+437=3700+437=4137

37X98=37X(100-2)=37X100-37X2=3700-74=3626

37x98+72=37x(100-2)+72=3700-74+72=3698 请及时采纳

37X98=37X100-37X2=3700-74=3626

37x98=37x(100-2)=37x100-37x2=3700-74=3626 上面的结果全错,不信你自己试试看.

37*(100-2)=3700-74=3626

37*98=37*100-2=37*100-37*2=3700-74=3626

37*98 =37*(100-2) =37*100-37*2 =3700-74 =3626

37*98=37*(100-2)=37*100-37*2=3700-74=3626

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