Question

Các pạn ơi, giúp mik, khó ωá

Answer 1

giúp tụi mình đi mọi ngừi mình và bạn ý đang cần gấp

Answer 2

a) 8/35

b) 5/8x 3/1= 15/8

c) 7/8- 1/2= 3/8

d) 3/4x 9/8= 27/32

e) 10/9x 5/3= 50/27

 

Answer 3

a.8/35    ;     27/32

b.15/8    ;     50/27

c.3/8

 

 

Answer 4

Answer 5

a) \(\dfrac{4}{7}\) x \(\dfrac{2}{5}\) = \(\dfrac{8}{35}\)             \(\dfrac{3}{4}\) : \(\dfrac{8}{9}=\) \(\dfrac{27}{32}\)

b)\(\dfrac{5}{8}\) x 3 = \(\dfrac{15}{8}\)                \(\dfrac{10}{9}\) : \(\dfrac{3}{5}=\dfrac{50}{27}\)

c) \(\dfrac{7}{8}-\dfrac{3}{8}\) x \(\dfrac{4}{3}\) = \(\dfrac{7}{8}\) -\(\dfrac{1}{2}\) = \(\dfrac{3}{8}\)

Answer 6

\(a.\dfrac{8}{35}\)

b. \(\dfrac{15}{8}\)

c. \(\dfrac{3}{8}\)

d. \(\dfrac{27}{32}\)

e. \(\dfrac{50}{27}\)

Answer 7

a) 8/35

b) 15/8

c) 7/8 - 1/2

= 7/8- 4/8

= 3/8

d) 3/4: 8/9

= 3/4. 9/8

= 27/ 32

e) 10/9 :3/5

= 10/9. 5/3

= 50/ 27