Question

[Gia Bảo]

Bài 1: Nối hai phân số bằng nhau 2/3

4/7 48/100 45/81 28/49 5/9 12/25 36/54

Answer 1

[Nguyễn Thị Thương Hoài]

\(\dfrac{36}{54}\) = \(\dfrac{36:18}{54:18}\) = \(\dfrac{2}{3}\)

\(\dfrac{28}{49}\) = \(\dfrac{28:7}{49:7}\) = \(\dfrac{4}{7}\)

\(\dfrac{48}{100}\) = \(\dfrac{48:4}{100:4}\) \(\dfrac{12}{25}\)

\(\dfrac{45}{81}\) = \(\dfrac{45:9}{81:9}\) = \(\dfrac{5}{9}\)