Question

k) 19 phần 22 ; 5 phần 6 ; -29 phần 33 

l) -7 phần -25 ; -4 phần 15 ; 1 phần 3

quy đồng ạ 

Answer 1

k)\(\dfrac{19}{22}=\dfrac{19.3}{22.3}=\dfrac{57}{66}\)

\(\dfrac{5}{6}=\dfrac{5.11}{6.11}=\dfrac{55}{66}\)

\(-\dfrac{29}{33}=\dfrac{-29.2}{33.2}=-\dfrac{58}{66}\)

 

Answer 2

i)\(-\dfrac{7}{25}=\dfrac{-7.3}{25.3}=-\dfrac{21}{75}\)

\(-\dfrac{4}{15}=\dfrac{-4.5}{15.5}=-\dfrac{20}{75}\)

\(\dfrac{1}{3}=\dfrac{1.25}{3.25}=\dfrac{25}{75}\)

Answer 3

K) =-56/66

i)=25/75=1/3