Question

tính 

9/4-4/7 chia 6/8

ai trả lơi mình sẽ theo dõi nhé

(giải chi tiết)

Answer 1

\(\dfrac{9}{4}-\dfrac{4}{7}:\dfrac{6}{8}=\dfrac{9}{4}-\dfrac{16}{21}=\dfrac{125}{84}\)

Answer 2

\(\dfrac{9}{4}-\dfrac{4}{7}:\dfrac{6}{8}=\dfrac{9}{4}-\dfrac{16}{21}=\dfrac{125}{84}\)

Answer 3

9/4-4/7:6/8

=9/4-4/7.8/6

=9/4-16/21

=125/84

Answer 4

\(\dfrac{9}{4}-\dfrac{4}{7}:\dfrac{6}{8}=\dfrac{9}{4}-\dfrac{4}{7}x\dfrac{8}{6}=\dfrac{9}{4}-\dfrac{16}{21}=\dfrac{125}{84}\)