Question

Me pueden ayudar con este ejercicio
-1/2{[3\7-(1/4-5/2)]-(3/2-5/4×1/7}

Answer 1

-1/2(3/7 -(1/4 -10/4))-(6/4-5/4)x1/7
-1/2(3/7+9/4)-1/4x1/7
-1/2(3/7 +9/4)-1/28
-3/14+9/8-1/28
- 12/56+63/56-2/56
49/56