Question

giúp meo zới

 

Answer 1

a)\(\dfrac{3}{4}+\dfrac{1}{6}=\dfrac{18}{24}+\dfrac{4}{24}=\dfrac{22}{24}=\dfrac{11}{12}\)

b)\(\dfrac{5}{3}-\dfrac{3}{5}=\dfrac{25}{15}-\dfrac{9}{15}=\dfrac{16}{15}\)

c)\(\dfrac{3}{4}\times\dfrac{2}{9}=\dfrac{3\times2}{4\times9}=\dfrac{6}{36}=\dfrac{1}{6}\)

d)\(\dfrac{3}{9}:\dfrac{8}{9}=\dfrac{3}{9}\times\dfrac{9}{8}=\dfrac{27}{72}=\dfrac{3}{8}\)

Answer 2

nhanh lên nhé meo cần gấp

Answer 3

a/\(\dfrac{22}{24}\)

b/\(\dfrac{16}{15}\)

c/\(\dfrac{1}{6}\)

d/\(\dfrac{3}{8}\)

Answer 4

\(\dfrac{3}{4}+\dfrac{1}{6}=\dfrac{11}{12}\)

\(\dfrac{5}{4}-\dfrac{3}{5}=\dfrac{13}{20}\)

\(\dfrac{3}{4}\times\dfrac{2}{9}=\dfrac{3\times2}{4\times9}=\dfrac{1}{6}\)

\(\dfrac{3}{9}\div\dfrac{8}{9}=\dfrac{3\times9}{9\times8}=\dfrac{3}{8}\)

Answer 5

giúp câu c,d nha

Answer 6

a. = 11/12

b. = 16/15

c. = 1/6

d. = 3/8

Answer 7

a. = 11/12

b. = 16/15

c. = 1/6

d. = 3/8