\(\dfrac{11.4-11}{2-13}\)=\(\dfrac{11\left(4-1\right)}{-11}\)=\(\dfrac{11.3}{-11}\)=\(\dfrac{\left(-11\right).\left(-3\right)}{-11}\)=\(\left(-3\right)\)
\(\dfrac{11.4-11}{2-13}=\dfrac{11.\left(4-1\right)}{-11}=\dfrac{11.3}{-11}=-3\)
_Dễ mà :
\(\dfrac{11\times4-11}{2-13}\)=\(\dfrac{11\times\left(4-1\right)}{-11}\)=\(\dfrac{11\times3}{-11}\)=-3