3.75*4.23*36-125*0.423*2.8简便算法

2025-05-13 06:47:32
推荐回答(3个)
回答(1):

  •  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

回答(2):

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

回答(3):

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