Question

giúp mình 2 câu ạ! câu 10 cho mình chi tiết ạ

Answer 1

thi à hay ktra

Answer 2

thi hẻ bn?

Answer 3

9 C

II Tự Luận

Câu 10

\(\dfrac{3}{4}\times\dfrac{11}{6}=\dfrac{33}{24}\)

\(3+\dfrac{4}{5}=\dfrac{3}{1}+\dfrac{4}{5}=\dfrac{15}{5}+\dfrac{4}{5}=\dfrac{19}{5}\)

Answer 4

19/5

Answer 5

câu 9 : C

câu 10 :

3/4 x 11/6 = 11/8

3 + 4/5 = 19/5

 

Answer 6

\(\dfrac{3}{4}\)  x \(\dfrac{11}{6}\) = \(\dfrac{3x11}{4x6}\) = \(\dfrac{33}{24}\)

3 + \(\dfrac{4}{5}\) = \(\dfrac{15}{5}\) + \(\dfrac{4}{5}\) = \(\dfrac{19}{5}\)