Question

1- RESOLVA A EXPRESSÃO ABAIXO

A) 5+(2-6)
B) -15-(-23+12)
C) (9-15)+(12-20)
D) (-9+5)-(-6-8-4)
E) -(-2)+(-3)-{-2+[-1-1(-2+1)]+5
F) 20-{-10-{-8+(5-12)]-20

Answer 1

A ) 5 + ( 2-6)
5+ ( - 4)
1
B) - 15 - ( - 23 +12 )
- 15 + 11
- 4
C) ( 9 - 15 ) + (12-20 )
- 6 + ( - 8 )
-6 -8
- 14
D) ( - 9 + 5 ) - ( -6-8-4)
-4 + 18
16