11\(\dfrac{1}{1}-\dfrac{11}{36}:\dfrac{22}{17}x\dfrac{72}{51}=\dfrac{1}{1}-\dfrac{11}{36}x\dfrac{17}{22}x\dfrac{72}{51}=\dfrac{1}{1}-\dfrac{11x17x72}{36x22x51}=\dfrac{1}{1}-\dfrac{13464}{40392}=\dfrac{40392}{40392}-\dfrac{13464}{40392}=\dfrac{35928}{40392}\)
Đúng 0
Bình luận (2)