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Valentina
a) 1 + 1 + 3 + 0 - 2 + 4 b) 1 - 1 - 5 - 1 + 0 + 5 c) 1 - 3 + 0 + 1 - 0 - 4 d) 1 - 2 + 4 e) 1 - 5 + 10 - 5 f) 1 + 10 - 5 g) 1 + 10 + 5 h) 1 - 4
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