Question

[꧁༺ρrσ(ღтєαмღƒαღмυôиღиăм)༻꧂]

a) −16+76

b) −815−−7−15+17−15

c) 

Answer 1

[꧁༺мιинღнằиɢ(ღтєαмღƒαღмυôиღиăм)༻꧂]

a)=1 b)=–8/15+–7/15+–17/15 =–32/15 c)=–9/19+10/19+17/19 =18/19

Answer 2

[Hồ Đức Việt]

a, \(\frac{-1}{6}+\frac{7}{6}=\frac{5}{6}\)

b,\(\frac{-8}{15}-\frac{-7}{-15}+\frac{17}{-15}=\frac{-8}{15}-\frac{7}{15}-\frac{17}{15}=\frac{-32}{15}\)

c,\(\frac{-9}{19}+\frac{-10}{-19}-\frac{17}{-19}=\frac{-9}{19}+\frac{10}{19}+\frac{17}{19}=\frac{18}{19}\)