Question

1-Resolva as expressões:
a)5+(3-1)
b)13-4)-8
c)12-(7-3)
d)(20-3)+(7+5
e)5-[3+(2-5]
f)3-[5-(4-6]
g)2+[8-(7-5)+3]
h)8+[4-(7-13)-1]+5
I)1-(5+(1-9)]
j)13-[10-(7+5)]
k){5-[32-(50-20)]}
l){16-(12+(20-25)]}
m)10-{30+(4-(5+2)]}
n)-2-(5-[3-(-3-1)]}

Answer 1

a 7
b 9
c 8
d 29
e 1
f 0
g 11
h 14
i