a)5+ (3-1)=
b)(13-4)-8=
c)(18-7)-(8-2)=
d)(15-8)-(8-2)=
e)(17-7)-(5-10)=
f)5-[3+(2-5)]=
g)3-[5-(4-6)]=
h)2+[8-(7-5)+3]=
i)-8+[4-(7-13)-1]+5=
j)1-[5+(1-9)]=
k))-13-{[10-(7+5)]}=
m)12-(7-3)=
n)(20-3)+(7+5)=
o)50+{[15+(3-9)+1]}=
p)15-(7+2)-8=
q)18+(9-15)-8=
r)7-[4+(3-5)]=
s){5-[32-(50-20)]}=
t){16-[+(20-25)]}=
u)10-{30+[4-(5+2)]}=
v){-2+[3-0-(8+1)]-10}=
x)-{5-[3-8-(-3-1)]}=
4)resolva as expresoões
Soluções para a tarefa
Resposta:
A) 5+(3-1)
5+2
7
B) (13-4)-8
9-8
1
C) (18-7)-(8-2)
11-6
5
D)(15-8)-(8-2)
7-6
1
E) (17-7)-(5-10)
10- (-5)
15
F)5-[3+(2-5)
5-[3+3]
5-6
-1
G)3-[5-(4-6)]
3-[5-(-2)]
3-[7]
-4
H)2+[8-(7-5)+3]
2+[8-2+3]
2+9
11
I)-8+[4-(7-13)-1]+5
-8+[4-(-6)-1]+5
-8+11+5
8
J)1-[5+(1-9)]
1-[5+(-8)]
1-[-3]
4
K) -13-{[10-(7+5)]}
-13-{[10-12]}
-13-{-2}
-11
M) 12-(7-3)
12-4
8
N) (20-3)+(7+5)
17+12
29
O)50+{[15+(3-9)+1]}
50+{[15+(-6)+1]}
50+{10}
60
P)15-(7+2)-8
15-8-8
-1
Q) 18+(9-15)-8
18+(-6)-8
4
R) 7-[4+(3-5)]
7-[4+(-2)]
7-2
5
S) {5-[32-(50-20)]}
{5-[32-30)]}
{5-2}
3
T) {16-[+(20-25)]}
{16-[+(-5)]}
{16-[-5]}
-21
U) 10-{30+[4-(5+2)]}
10-{30+[4-7]}
10-{30+ [-3]}
10-27
-17
V) {-2+[3-0-(8+1)]-10}
{-2+[3-0-9]-10}
{-2+12-10}
0
X) -{5-[3-8-(-3-1)]}
-{5-[3-8-4]}
-{5-[-9]}
-4