Question

3/5 - 2 = ?\(\dfrac{ }{ }\)

Answer 1

\(\dfrac{3}{5}-2=\dfrac{3}{5}-\dfrac{2}{1}=\dfrac{3}{5}-\dfrac{10}{5}=\dfrac{-7}{5}\)

Answer 2

\(\dfrac{3}{5}-2=\dfrac{3}{5}-\dfrac{10}{5}=-\dfrac{7}{5}\)

(lớp 5 thì chưa học số nguyên em nhé)

Answer 3

\(\dfrac{3}{5}-2=\dfrac{3}{5}-\dfrac{10}{5}=-\dfrac{7}{5}\)