Question

[Hoa Hồng Xanh]

\(\dfrac{8.5-8.2}{16}\)                               \(\dfrac{11.4-11}{2-13}\)

bài 4 ý  mn giúp mình nhe !

Answer 1

[肖战Daytoy_1005]

Ta có: \(\dfrac{8.5-8.2}{16}=\dfrac{8\left(5-2\right)}{16}=\dfrac{8.3}{16}=\dfrac{3}{2}\) 

           \(\dfrac{11.4-11}{2-13}=\dfrac{11\left(4-1\right)}{-11}=\dfrac{11.3}{-11}=-3\)