Question

Efectua los siguientes ejercicios.
A)-(6-3)-[2-(5-7-3]
B) 2+{-[-(7+8)+(4-3)]-2}
C)-[5-(4-7)-(2-3)]
D)-(7-3)-(5-2)-[(12-6)-(9-5)]

Answer 1

-(6-3)-[2-(5-7-3]
-3
-10
14
-9
-15

Answer 2

A)-(6-3)-[2-(5-7-3)]

-(6-3)-[2-(5-7-3)]
-(3)-[2-(5-10)]
-3-[2-(-5)]
-3-[2+5]
-3-[7]
-3-7
-10
.............................................................................
B) 2+{-[-(7+8)+(4-3)]-2}

2+{-[-(7+8)+(4-3)]-2}
2+{-[-(15)+(1)]-2}
2+{-[-15+1]-2}
2+{-[-14]-2}
2+{14-2}
2+{12}
2+12
14

..................................................................
C)-[5-(4-7)-(2-3)]

-[5-(4-7)-(2-3)]
-[5-(-3)-(-1)]
-[5+3+1]
-[9]
-9
................................................
D)-(7-3)-(5-2)-[(12-6)-(9-5)]



-(7-3)-(5-2)-[(12-6)-(9-5)]
-(4)-(3)-[(6)-(4)]
-4-3-[6-4]
-7-[2]
-7-2
-9