Question

-(-6+4[2-5(4-3(4-3)+2(7-3))]+2)-1

Answer 1

Siempre se empieza del centro
-(-6+4[2-5(4-3(4-3)+2(7-3))]+2)-1
-(-6+4[2-5(4-3(1)+2(4))]+2)-1
-(-6+4[2-5(4-3+8)]+2)-1
-(-6+4[2-5(9)]+2)-1
-(-6+4[2-45]+2)-1
-(-6+4[-43]+2)-1
-(-6+4-43+2)-1
-(43)-1
-43-1
-44

Answer 2

-(-6+4[2-5(4-3(4-3)+2(7-3))]+2)-1 -(-6+4[2-5(4-3(1)+2(4))]+2)-1 -(-6+4[2-5(4-3+8)]+2)-1 -(-6+4[2-5(9)]+2)-1 -(-6+4[2-45]+2)-1 -(-6+4[-43]+2)-1 -(-6-172+2)-1 -(-176)-1 176-1 175