Question

Mọi người giúp mình với ạ!!

-5/7+ 8/11+ (-2)/7+ 1/2+ 3/11

Answer 1

1/2

Answer 2

= (-5/7 + -2/7) + (8/11 + 3/11) + 1/2  = -1 + 1 + 1/2 = 1/2

Answer 3

\(\dfrac{-5}{7}+\dfrac{8}{11}+\left(\dfrac{-2}{7}\right)+\dfrac{1}{2}+\dfrac{3}{11}\\ =\left[\dfrac{-5}{7}+\left(\dfrac{-2}{7}\right)\right]+\left(\dfrac{8}{11}+\dfrac{3}{11}\right)+\dfrac{1}{2}=\left(-1\right)+1+\dfrac{1}{2}=\dfrac{1}{2}\)

Answer 4

(-5/7 + -2/7) + (8/11 + 3/11) + 1/2

-1 + 1 + 1/2

 1/2

Answer 5

\(\dfrac{1}{2}\)

Answer 6

1/2