53*99*25的简便算法要最简便的算法.

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53*99*25的简便算法要最简便的算法.53*99*25的简便算法要最简便的算法.53*99*25的简便算法要最简便的算法.53*99*25=(50+3)*(100-1)*25=(5000-50+3

53*99*25的简便算法要最简便的算法.
53*99*25的简便算法
要最简便的算法.

53*99*25的简便算法要最简便的算法.
53*99*25=(50+3)*(100-1)*25=(5000-50+300-3)*25=125000+7500-1250-75=131175

(52+1)*25*99
=(1300+25)*99
=1325*(100-1)
=132500-1325
=131175

(50+3)*(100-1)*25
=131175

(52+1)*25*99
解原式=(1300+25)*99
=1325*(100-1)
=132500-1325
=131175