6-5 2/7:(-37/56)-(-9 1/4:(-37/44)=​

Ответ:

6 + 5 \frac{2}{7} \div \frac{ 37}{56} - 9 \frac{1}{4} \div \frac{37}{44} = \\ = 6 + \frac{37}{7} \frac{56}{37} - \frac{37}{4} \frac{44}{37} = \\ = 6 + 8 - 11 = 3