Question

tính 3/5 + 2/3+ 4/5 

cần đáp án ngay lúc này

 

Answer 1

31/15

Answer 2

31/15

Answer 3

\(\dfrac{31}{15}\)

Answer 4

31/15

Answer 5

=\(\dfrac{31}{15}\)

Answer 6

\(\dfrac{3}{5}+\dfrac{2}{3}+\dfrac{4}{5}=\dfrac{7}{5}+\dfrac{2}{3}=\dfrac{21}{15}+\dfrac{10}{15}=\dfrac{31}{15}\)

Answer 7

= (3/5 + 4/5) + 2/3

= 7/5 + 2/3

= 21/15 + 10/15

= 31/15

Answer 8

= 31/15

Answer 9

31/15

Answer 10

31/15

Answer 11

3/5 + 2/3+ 4/5 

= ( 3/5 + 4/5 ) + 2/3

= ( 3 + 4/5 ) + 2/3 

= 7/5 + 2/3

= 21/15 + 10/15

= 21 + 10/15

= 31/15

Answer 12

31/15 nha !

Answer 13

31/15