Question

Giúp tui với

Answer 1

đề bài vẹo cổ ạ >3

Answer 2

\(=\dfrac{24}{36}-\dfrac{4}{7}=\dfrac{2}{3}-\dfrac{4}{7}=\dfrac{14}{21}-\dfrac{12}{21}=\dfrac{2}{21}\)

Answer 3

\(\dfrac{2}{3}\)-\(\dfrac{4}{7}\)=\(\dfrac{14}{21}\)-\(\dfrac{12}{21}\)=\(\dfrac{2}{21}\)

Answer 4

có đề bài đâu

Answer 5

Answer 6

8/9 : 4/3 - 4/7 = 8/9 x 3/4 - 4/7 = 8 x 3/ 9 x 4 - 4/7 = 2/3 - 4/7 = 14/21 - 12/21 = 2/21

Answer 7

2/21