Question

Resolva as expressões :
a)14-(-10+5+3)
b)-15+[-4-(-5+20)]
c)-12+(-6)-(-8-5)
d)20-[-8+(-15+9)]
e)4-{-6-[+7+(-3+1)]+5}
f)-2-{-{-(-1+4)]}
g)12+{-2+{-3-(-2+1)]}

Answer 1

a) 14-(-10+5+3)
14-(-2)
+14+2=16
b)-15+[-4-(-5+20)]
-15+[-4-(+15)]
-15+[-4-15]
-15+[-19]
-15-19= -34

Answer 2

Resposta:

a) 14-(-10+5+3)

14-(-2)

+14+2=16

b)-15+[-4-(-5+20)]

-15+[-4-(+15)]

-15+[-4-15]

-15+[-19]

-15-19= -34