Question

3/5+3/7-3/11

_____________

6/5+6/7-6/11

Answer 1

rut 2 ra khoi mau so ,ben trong la 3/5+3/7+3/11

kết quả là 1/2

Answer 2

\(\frac{\frac{3}{5}+\frac{3}{7}-\frac{3}{11}}{\frac{6}{5}+\frac{6}{7}-\frac{6}{11}}=\frac{3.\left(\frac{1}{5}+\frac{1}{7}-\frac{1}{11}\right)}{6.\left(\frac{1}{5}+\frac{1}{7}-\frac{1}{11}\right)}\)\(=\frac{1}{2}\).