Question

\(\frac{3}{5}+\frac{7}{6}+\frac{2}{5}+\frac{5}{6}\)

Answer 1

Làm như sau :

\(\frac{3}{5}+\frac{7}{6}+\frac{2}{5}+\frac{5}{6}\)

\(=\left(\frac{3}{5}+\frac{2}{5}\right)+\left(\frac{7}{6}+\frac{5}{6}\right)\)

\(=\frac{3+2}{5}+\frac{7+5}{6}\)

\(=\frac{5}{5}+\frac{12}{6}\)

\(=1+2\)

\(=3\)

Answer 2

\(\frac{3}{5}+\frac{7}{6}+\frac{2}{5}+\frac{5}{6}\)

\(=\left(\frac{3}{5}+\frac{2}{5}\right)+\left(\frac{7}{6}+\frac{5}{6}\right)\)

\(=1+2\)

\(=3\)

Answer 3

\(=\left(\frac{3}{5}+\frac{2}{5}\right)+\left(\frac{7}{6}+\frac{5}{6}\right)\)

\(=1+2=3\)

Answer 4

\(\frac{3}{5}+\frac{7}{6}+\frac{2}{5}+\frac{5}{6}\)

\(=\left(\frac{3}{5}+\frac{2}{5}\right)+\left(\frac{7}{6}+\frac{5}{6}\right)\)

\(=\frac{3+2}{5}+\frac{7+5}{6}\)

\(=\frac{5}{5}+\frac{12}{6}\)

\(=1+2=3\)

Answer 5

3/5+7/6+2/5+5/6

=(3/5+2/5)+(7/6+5/6)

=1+2

=3

Answer 6

\(\frac{3}{5}+\frac{7}{6}+\frac{2}{5}+\frac{5}{6}\)

\(=\left(\frac{3}{5}+\frac{2}{5}\right)+\left(\frac{7}{6}+\frac{5}{6}\right)\)

\(=\frac{5}{5}+\frac{12}{6}\)

\(=1+2\)

\(=3\)

Answer 7

= 3 

k nhé NGUYỄN NGỌC HÀ

xin cậu đấy 

Answer 8

\(\frac{3}{5}+\frac{7}{6}+\frac{2}{5}+\frac{5}{6}\)

\(=\left(\frac{3}{5}+\frac{2}{5}\right)+\left(\frac{7}{6}+\frac{5}{6}\right)\)

\(=\frac{5}{5}+\frac{12}{6}\)

\(=1+2\)

\(=3\)

Answer 9

bang 3 jk