Question

\(\frac{5}{10}+\frac{2}{5}=?\)

Answer 1

5/10 + 2/5=?

    Ta giu nguyen phan so 5/10

lay 2/5 nhan voi 2 thi bang 4/10.

buoc cuoi cung la lay 5/10 + 4/10= 9/10

bai nay lop 5

Answer 2

\(\frac{5}{10}+\frac{2}{5}=\frac{5}{10}+\frac{4}{10}=\frac{9}{10}\)

Answer 3

\(\frac{5}{10}+\frac{2}{5}=\frac{5}{10}+\frac{4}{10}=\frac{9}{10}\)

Answer 4

\(\frac{5}{10}+\frac{2}{5}\)

Ta có : Giữ nguyên phân số \(\frac{5}{10}\) . Và quy đồng phân số \(\frac{2}{5}\)

\(\frac{2}{5}=\frac{2\times2}{5\times2}=\frac{4}{10}\)

Vậy : \(\frac{5}{10}+\frac{4}{10}=\frac{5+4}{10}=\frac{9}{10}\)

Answer 5

\(\frac{4}{9}\)

Answer 6

bạn Lee Thanh làm sai

Answer 7

\(\frac{5}{10}+\frac{2}{5}=\)

\(\frac{5}{10}+\frac{4}{10}=\frac{9}{10}\)

k minh nha

Answer 8

5/10+4/10=9/10