简便算法 64.3*0.75+34.7*4分之3+0.75

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简便算法 64.3*0.75+34.7*4分之3+0.75

简便算法 64.3*0.75+34.7*4分之3+0.75
简便算法 64.3*0.75+34.7*4分之3+0.75

简便算法 64.3*0.75+34.7*4分之3+0.75
64.3*0.75+34.7*4分之3+0.75
=0.75*(64.3+34.7+1)
=0.75*100
=75