
125x33x25简便方法是怎样计算
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2015-04-02
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125×33×25
=125×25×(32+1)
=125×25×32+125×25
=125×8×(25×4)+(100+25)×25
=1000×100+100×25+25×25
=100000+2500+625
=102500+625
=103125
=125×25×(32+1)
=125×25×32+125×25
=125×8×(25×4)+(100+25)×25
=1000×100+100×25+25×25
=100000+2500+625
=102500+625
=103125
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