Question

.2/7+3/5

Answer 1

\(\frac{2}{7}+\frac{3}{5}=\frac{31}{35}\)

t tôi nha

Answer 2

2/7+3/5

=31/35

dung ko?

Answer 3

Ta có:

2/7+3/5

=2x5+3x7/35

=10+21/35

=31/35

Answer 4

ta có : \(\frac{2}{7}+\frac{3}{5}\)

\(=\frac{10}{35}+\frac{21}{35}\)

\(=\frac{31}{35}\)