Question

Lập các cặp phân số bằng nhau từ bốn trong sáu số sau :

-5 ; -3 ; -2 ; 6 ; 10 ; 15 .

Answer 1

\(\dfrac{-5}{-3}=\dfrac{10}{6}\);

\(\dfrac{-3}{-2}=\dfrac{15}{10}\);

\(\dfrac{-5}{10}=-\dfrac{3}{6}\);

\(-\dfrac{10}{5}=-\dfrac{6}{3}\)

\(\dfrac{-3}{-5}=\dfrac{6}{10}\)

\(\dfrac{-2}{-3}=\dfrac{10}{15}\)

\(\dfrac{-2}{10}=-\dfrac{3}{15}\)

\(\dfrac{10}{-2}=-\dfrac{15}{3}\)

\(-\dfrac{2}{6}=-\dfrac{5}{15}\)

\(\dfrac{-2}{-5}=\dfrac{6}{15}\)

\(\dfrac{-6}{2}=-\dfrac{15}{5}\)

\(\dfrac{-5}{-2}=\dfrac{15}{6}\); ........