2/5 + 1/2 + 7/10 = 4/10 + 5/10 + 7/10 = 16/10 = 8/5
\(\frac{2}{5}+\frac{1}{2}+\frac{7}{10}\)
\(=\frac{9}{10}+\frac{7}{10}\)
\(=\frac{16}{10}=\frac{8}{5}\)
2/5 + 1/2 + 7/10 = 4/10 + 5/10 + 7/10 = 16/10 = 8/5
2/5 + 1/2 + 7/10 = 4/10 + 5/10 + 7/10 = 9/10 + 7/10 = 16/10 = 8/5
k cho mk nha!!!^_^
\(\frac{2}{5}+\frac{1}{2}+\frac{7}{10}=\frac{4}{10}+\frac{5}{10}+\frac{7}{10}=\frac{9}{10}+\frac{7}{10}=\frac{16}{10}=\frac{8}{5}\)
\(\frac{2}{5}+\frac{1}{2}+\frac{7}{10}=\frac{4}{10}+\frac{5}{10}+\frac{7}{10}=\frac{9}{10}+\frac{7}{10}=\frac{16}{10}\)