Question

2/5 + 1/2 +  7/10 = ???

Answer 1

2/5 + 1/2 + 7/10 = 4/10 + 5/10 + 7/10 = 16/10 = 8/5

Answer 2

\(\frac{2}{5}+\frac{1}{2}+\frac{7}{10}\)

\(=\frac{9}{10}+\frac{7}{10}\)

\(=\frac{16}{10}=\frac{8}{5}\)

Answer 3

2/5 + 1/2 + 7/10 = 4/10 + 5/10 + 7/10 = 16/10 = 8/5

Answer 4

      2/5 + 1/2 + 7/10 = 4/10 + 5/10 + 7/10 = 9/10 + 7/10 = 16/10 = 8/5

k cho mk nha!!!^_^

Answer 5

=16/10 rút gọn được 8/5 nhé bạn

Answer 6

\(\frac{2}{5}+\frac{1}{2}+\frac{7}{10}=\frac{4}{10}+\frac{5}{10}+\frac{7}{10}=\frac{9}{10}+\frac{7}{10}=\frac{16}{10}=\frac{8}{5}\)

Answer 7

\(\frac{2}{5}+\frac{1}{2}+\frac{7}{10}=\frac{4}{10}+\frac{5}{10}+\frac{7}{10}=\frac{9}{10}+\frac{7}{10}=\frac{16}{10}\)