Question

resolva exercícios

a)9-(5-1+2)=
b)10-(2+5)+4=
c)(13-7)+8-1=
d)15-(3+2)-6=
e)(10-4)-9-8)+3=
f)30-(5+3)=
g)15+(8+2)=
h)15-(10+1-3)=
i)23-(2+8)-7=
j)10+5)-1+6)=
k)7-(8-3)+1=
l)10-1+8-4=​

Answer 1

Resposta:

a)

9-(5-1+2)=

9-(4+2)

9-6

=3

b)10-(2+5)+4

10-7+4

3+4

=7

c)(13-7)+8-1

6+8-1

=13

d)15-(3+2)-6

15-5-6

=4

e)(10-4)-9-8+3

6-9-8+3

=-8

f) 30-(5+3)

30-8

=22

g)15+(8+2)

15+10

=25

h)15-(10+1-3)

15-8

=7

i)23-(2+8)-7

23-10-6

=6

j)10+5(-1+6)

10+5×5

10+25

=35

k)7-(8-3)+1

7-5+1

=3

l)10-1+8-4

18-5

=13