125x(44x5-44+44x4)x25简便方法

如题所述

125x(44x5-44+44x4)x25
=125x44x(5+4-1)x25
=125x44x8x25
=125x8x44x25
=1000x1100
=1100000

如有不明白,可以追问
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第1个回答  2012-11-22
125x(44x5-44+44x4)x25
=125*44*(5-1+4)*25
=125*44*8*25
=125*8*11*(4*25)
=1000*11*100
=1100000
第2个回答  2012-11-22
125x(44x5-44+44x4)x25
=125x(5-1+4)x44x25
=125x8x44x25
=125x8x4x25x11
=1000x100x11
=100000x11
=1100000