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Adição e subtração de números inteiros
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+ 125 + 87 =
+ 212
Oops!
Okay!
( - 13) - (+ 37) + ( + 23) =
- 27
Oops!
Okay!
+ 37 - 25 =
+ 12
Oops!
Okay!
(+ 86) + (- 77) =
+ 9
Oops!
Okay!
(- 123) + (+ 97) =
- 26
Oops!
Okay!
(- 315) + ( + 65) + ( - 12) - ( - 98) =
- 164
Oops!
Okay!
( + 34) - (- 42) + ( + 25) =
+ 101
Oops!
Okay!
- 89 - 16 =
- 105
Oops!
Okay!
(+ 155) - (- 95) =
+ 250
Oops!
Okay!
-54 + 37 =
- 17
Oops!
Okay!
(- 144) - (+76) =
-220
Oops!
Okay!
(- 97) - (+ 58) - (- 36) + ( - 15) =
- 134
Oops!
Okay!
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