resolva as seguintes expressoes:
a) - 13 + 7 - 2 - 8 + 15 - 1
b) + 22 - 3 - 14 - 5 + 24 + 12
c) 12 - 7 + 3 - ( - 3 ) +( + 9 )
d) ( - 2 ) - ( - 3 ) + ( + 5 )
a) - 13 + 7 - 2 - 8 + 15 - 1
b) + 22 - 3 - 14 - 5 + 24 + 12
c) 12 - 7 + 3 - ( - 3 ) +( + 9 )
d) ( - 2 ) - ( - 3 ) + ( + 5 )
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respostas
a)=2
b)36
c)20
d)6
contas
A)-24+22=2
b)58-22=36
c)12-7+3+3+7=20
d)-2+3+5=6
Verified answer
Explicação passo-a-passo:
a) - 6 -2 -8 +15 -1=
-8 -8 +15 -1=
-16 +15 -1=
- 17 +15=
- 2
b) 19 -14 -5 +24 +12=
19 - 19 +24 +12=
24 +12=
36
c) 5 +3 +3 +9=
8 +3 +9=
11 +9=
20
d) - 2 +3 +5=
- 2 +8=
+6