A) -720+3612:{-151-2[120+1740:(-15-25)]} HELP MEE

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1. $-720+3612:{(-151-2.[120+1740:(-15-25)])}$

   $=-720+3612:{(-151-2.[120+1740:(-40)])}$

   $=-720+3612:{(-151-2.[120-43,5])}$

   $=-720+3612:{(-151-2.76,5)}$

   $=-720+3162:{(-151-153)}$

   $=-720+3162:-304$

   $=-720+\dfrac{-1581}{152}$

   $=\dfrac{-109440}{152}+\dfrac{-1581}{152}=\dfrac{-111021}{152}$

    

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2. Đáp án:

    

   Giải thích các bước giải:

   $A=-720+3612:{-151-2[120+1740:(-15-25)]}$

   $A=-720+3610:{-151-2[120+1740:(-40)]}$

   $A=-720+3610:{-151-2[120-43,5]}$

   $=-720+3610:{-151-2.76,5}$

   $=-720+3610:{-151-153}$

   $=-720+3610:{-304}$

   $=-720-11,875$

   $=-731,875$

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