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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Đ=(1374×57+687×86):(26×13+74×14) F=7x11x13x14-1001/13013+27027 K=2006×125+1000/126×2005-800

Toán Lớp 6: Đ=(1374×57+687×86):(26×13+74×14)
F=7x11x13x14-1001/13013+27027
K=2006×125+1000/126×2005-800

Comments ( 2 )

  1. Giải đáp:
     
    Lời giải và giải thích chi tiết:
    Đ=(1374×57+687×86):(26×13+74×14)
    =(78318+59082):(338+1036)
    =137400:1374
    =100
    F=7x11x13x14-1001/13013+27027
    =14014-1001/13013+27027
    =13013/40040
    =13/40
    K=2006×125+1000/126×2005-800
    =250750+1000/252630-800
    =251750/251830
    =0,9996
    chúc e hok tốt 

  2. Giải đáp+giải thích các bước giải:
    Đ=$\text{(1374×57+687×86):(26×13+74×14)}$ 
      =$\text{(78318+59082):(338+1036)}$
      =$\text{137400:1374}$
      =$\text{100}$ 
    F=$\text{7x11x13x14}$ -$\dfrac{1001}{13013}$ +$\text{27027}$
      = $\text{14014}$ -$\dfrac{1001}{13013}$ +$\text{27027}$
      =$\dfrac{13013}{40040}$
      =$\dfrac{13}{40}$
    K= $\text{2006 x 125}$ + $\dfrac{1000}{126}$ x $\text{2005}$ – $\text{800}$
      =$\text{250750}$ + $\dfrac{1000}{252630}$ – $\text{800}$
      = $\dfrac{251750}{251830}$ 
      =$\text{0,9996}$

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222-9+11+12:2*14+14 = ? ( )

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