Question

Bài 2 : Rút gọn các phân số sau :

a)21/57     b)49/28     c) 105/75

Answer 1

7/19

7/4

7/5

Answer 2

a7/19

b7/4

c7/5

Answer 3

7/19

7/4

21/15

Answer 4

\(a.\dfrac{7}{19}\)

\(b.\dfrac{7}{4}\)

\(c.\dfrac{7}{5}\)

Answer 5

\(a\left(\dfrac{7}{19}\right)\)

\(b\left(\dfrac{7}{4}\right)\)

\(c\left(\dfrac{7}{5}\right)\)

Answer 6

7/19

7/4

7/5

Answer 7

7/19

7/4

7/5

Answer 8

7/19

7/4

7/5