Calculem
a) -12 +4 +11 -8 +13 +1
b) (+6) + (-14) + (-7) + (+6) + (+9)
c) -2 +5 +3 -2 +1
d) -7 -3 -9 +8 -1 -4
e) (+16) + (-29) + (+33) + (-37)
f) (-3) + (-5) + (-2) + (-1)

Porfavor só responda se vc for do 7°ano nao roube meus pontos com respostas que vc supostamente acha que esta certa
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