问题标题:
递等式计算:(能简便的要简便运算)3.75-0.75×414.32-4.32÷2.4150÷1.259.8×2.8+28×0.0140.32÷24+69.2×8.450.9÷0.125
问题描述:

递等式计算:(能简便的要简便运算)3.75-0.75×414.32-4.32÷2.4150÷1.259.8×2.8+28×0.01

40.32÷24+69.2×8.4

50.9÷0.125

刘永超回答:
  3.75-0.75*4=3-0.75*3=3*(1-0.75)=3*0.25=0.75   14.32-4.32+2.4=(14.32-4.32)+2.4=10+2.4=12.4   150/1.25=150/(5/4)=150*(4/5)=120   9.8*2.8+28*0.01=28*(0.98+0.01)=28*0.99=28*(1-0.01)=28-0.28=27.72   40.32÷24+69.2×8.4=1.68+581.28=582.96   50.9÷0.125=50.9*8=(50+0.9)*8=400+7.2=407.2
鲍文戬回答:
  14.32-4.32÷2.4---3Q
刘永超回答:
  =14.32-1.8=12.52
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