• Matéria: Matemática
  • Autor: izabelysilva315
  • Perguntado 5 anos atrás

calcule o valor das expressões:
a)-[-(-8)]
b)-[-(-6+9)]
c)-10+7+[-(-9)]
d)(-5)+[-(-4)]
e)-[-(2+4)]
f)-[10+(-8)]
g)0-4-8.+3
h)-[-2-1-3.]
i)-3-[-(-4+5)]
j)-[(-1+3)-4]
k)-[-2-7.-1]
l)-[-3-8-(5+4)]
m)(10-2)-3+(8+7-5)
n)15+[-4-2+7.]
o)-4+[-5-(+2-1)+1]
p)4-7-[-10+(5-2)+4]
q)-10+[2-1+(-20+4)]
r)25-5-(2-5-1)+3.+9
s)20-4-[4-6+10.]
t)+2+{+8-5-(+7-2).-7}
u)25-{8-6+[9-(4-2)-5]}
v)-65-[-20+5-15+5.+40]
w)25-{-8-[3+(-6-2)+5]}
x)13-3.+[-4+2-12+2.]
y)-35+{7+[-12-18+2-1).-16}

Respostas

respondido por: Anônimo
9

Resposta:

a)-[-(-8)]=

-[+8]=

-8

b)-[-(-6+9)]=

-[-3]=

3

c)-10+7+[-(-9)]=

-10+7+[9]=

-10+7+9=

-3+9=

6

d)(-5)+[-(-4)]=

-5+[4]=

-5+4=

-1

e)-[-(2+4)]=

-[-6]=

6

f)-[10+(-8)] =

-[10-8]=

-[2]=

-2

g)0-4-8+3=

-4-8+3=

-12+3=

-9

h)-[-2-1-3]=

-[-3-3]=

-[-6]=

6

i)-3-[-(-4+5)]=

-3-[1]=

-3-1=

-4

j)-[(-1+3)-4]=

-[2-4]=

-[-2]

2

k)-[-2-7-1]=

-[-9-1]=

-[-10]=

10

l)-[-3-8-(5+4)]=

-[-3-8-9]=

-[-20]=

20

m)(10-2)-3+(8+7-5)=

8-3+(15-5)=

8-3+10=

5+10=

15

n)15+[-4-2+7]=

15+[-6+7]=

15+1=

16

o)-4+[-5-(+2-1)+1]=

-4+[-5-1+1]=

-4+[-6+1]=

-4-5=

-9

p)4-7-[-10+(5-2)+4]=

4-7-[-10+3+4]=

4-7-[-7+4]=

4-7+3=

-3+3=

0

q)-10+[2-1+(-20+4)]=

-10+[2-1-16]=

-10-15=

-5

r)25-5-(2-5-1)+3+9=

25-5+4+3+9=

20+4+3+9=

27+9=

36

s)20-4-[4-6+10]=

26-7=

19

t)+2+{+8-5-(+7-2)-7}=

+2+{+8-5-5-7}=

2+{-9}=

2-9=

-7

u)25-{8-6+[9-(4-2)-5]}=

25-{8-6+[9-2-5]}=

25-{8-6+2}=

25-4=

21

v)-65-[-20+5-15+5+40]=

-65-[-15-15+5+40]=

-65-[-30+5+40]=

-65-[-25+40]=

-65-15=

-80

w)25-{-8-[3+(-6-2)+5]}=

25-{-8-[3-8+5]}=

25-{-8-[-5+5]=

25-{-8}=

25+8=

33

x)13-3+[-4+2-12+2]=

13-3+[-2-12+2]=

13-3-12=

10-12=

-2

y)-35+{7+[-12-18+2-1).-16}

-35+{7+[-30+2-1)-16}=

-35+{7-29-16}=

-35+{-6}=

-35-6=

-41


izabelysilva315: EU TE AMOOOO CARAAAA OBRIGADAAAAAA
Anônimo: a b da -3, eu errei o sinal. não estou conseguindo editar D:
thaynarodrigue18: cara vc é tao especial eu te amo caraaaa❤
Perguntas similares