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125 75 15 5简便运算

125 *75/15 *5=125 *75*/75=125

解:原式=75÷15÷5=75÷(15x5)=75÷75=1

用简便运算480-(75+125÷5)=480-(75+25)=480-100=380

125x16x5的简便运算计算=125x(8x2)x5=125x8x(2x5)=1000x10=10000 祝天天向上.

125x48x5=125X8x6x5=1000x30=30000

125+75*(15+25) =125+3*25*40 =125+3*1000 =3125

125x32x75=125x8x4x75=1000x300=300000

125x56x5=(125*8)*(7*5)=1000*35=35000

125x5x75x50=5x25x5x5x15x25x2=5x5x5x5x5x5x3x5x5x2=5^8x6=390625x6=2343750

75x15简便运算75x15=15*8*9=120*9=1080

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