= (-3/11 + 8/11) + (11/8 - 3/8)
= 5/11 + 1
= 16/11
= (-3/11 + 8/11) + (11/8 - 3/8)
= 5/11 + 1
= 16/11
Công thức :
\(\dfrac{-3}{11}+\dfrac{11}{8}-\dfrac{3}{8}+\dfrac{8}{11}=\left(-\dfrac{3}{11}+\dfrac{8}{11}\right)+\left(\dfrac{11}{8}-\dfrac{3}{8}\right)=\dfrac{5}{11}+\dfrac{8}{8}=\dfrac{16}{11}\)