Question

Me ayudan a resolver estos 3 problemas ?):
6+{3-[4-2(4)7]}

8-{5-4[-6+7(5-2)]-3}

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

Ayuda.

Answer 1

6+{3-[4-2(4)7]}
6+{3-[2(4)7]}
6+{3-56}
6-53
-47

8-{5-4[-6+7(5-2)]-3}
8-{1[-1(3)]-3}
8-{1[-3]-3}
8-{-3-3}
8-{-6}
8+6
14

{-6+4[2-5(4-3(4-3)+2(7-3))]+2}-1
{-2[-3(1(1)+2(4))]+2}-1
{-2[-3(1+8)]+2}-1
{-2[-3(9)]+2}-1
{-2[-27]+2}-1
{54+2}-1
56-1
55