Question

giúp mik nha:>

Answer 1

a) 1

b)12/10 hoặc 6/5

c) -7/5

d) -8/13

Answer 2

a) \(1\)

b) \(-\dfrac{12}{10}\)

c) \(-\dfrac{7}{5}\)

d) \(-\dfrac{8}{13}\)

Answer 3

a: \(=\dfrac{7}{12}+\dfrac{5}{12}=1\)

b: \(\dfrac{9}{10}-\dfrac{12}{10}=\dfrac{-3}{10}\)

c: \(=-\dfrac{3}{5}-\dfrac{4}{5}=\dfrac{-7}{5}\)

d: \(=\dfrac{-15}{13}+\dfrac{7}{13}=\dfrac{-8}{13}\)

Answer 4

a) 1

b) -12/10

c) -7/5

d) -8/13