3.75*4.23*36-125*0.423*2.8简便算法
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3.75*4.23*36-125*0.423*2.8
=3.75*4.23*36-1.25*4.23*28
=4.23(3.75*36-1.25*28)
=4.23(1.25*3*36-1.25*28)
=4.23(1.25*108-1.25*28)
=4.23(1.25*80)
=4.23*100
=423
4.23*36-125*0.423*2.8 = 423
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2012-09-22
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3.75*4.23*36-125*0.423*2.8
=3.75*4.23*36-1.25*4.23*28
=4.23(3.75*36-1.25*28)
=4.23(1.25*3*36-1.25*28)
=4.23(1.25*108-1.25*28)
=4.23(1.25*80)
=4.23*100
=423
=3.75*4.23*36-1.25*4.23*28
=4.23(3.75*36-1.25*28)
=4.23(1.25*3*36-1.25*28)
=4.23(1.25*108-1.25*28)
=4.23(1.25*80)
=4.23*100
=423
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2015-11-12
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