$\dfrac{11}{125}$ $\text{+ (}$ $\dfrac{17}{14}$ - $\dfrac{5}{7}$ $\text{) - ( }$$\dfrac{17}{18}$ - $\dfrac{4}{9}$ $\text{) }$
⇒ $\dfrac{11}{125}$ $\text{+ }$ $\dfrac{1}{2}$ $\text{- }$ $\dfrac{1}{2}$
⇒ $\dfrac{11}{125}$ $\text{= 0.088 ≈ 0,1}$
no coppy
xin 5*, cảm ơn và ctlhn cho nhóm :>>