Question

caucule o valor das seguintes explessoes:
e)18-[2+(7-3-8)-10]
f)-4+[-3+(-5+9-2)]
g)-6-[10+(-8-3)-1]
h)-8-[-2(-12)+3]
i)25-{-2+[6+(-4-1)]}
j)17-{5-3+[8-(-1-3)+5]}
k)3-{-5-[8-2+(-5+9)]}
l)-10-{-2+[+1-(-3-5)+3]}
m){2+[1+(-15-15)-2]}
n){30+[10-5+(-2-3)]-18-12}
o)20+{[7+5+(-9+7)+3]}
p)-4-{2+[-3-(-1+7)]+2}
q)10-{-2+[+1+1(+7-3)-]+6
r)-{-2-[-3-(-5)+1]}-18
s)-20-{-4-[-8+(+12-6-2)+2+3]}
t){[(-50-10)+11+19]+20}+10
urgente por favor

Answer 1

e)18-[2+(7-3-8)-10]
18-[2+18-10]
(+18)-(+10)
28

f)-4+[-3+(5+9-2]
-4+[-3+12]
-4+9
5

g)-6-[10+(8-3)-1]
-6-[10+5-1]
(-6)-(+14)
+20