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Mathematics, 31.05.2021 21:10 fedora87

1) Em um jogo de cards, Rafael tinha 54; perdeu 15 na primeira rodada e ganhou 12 na segunda rodada. * a) +54 -15 + 12 = +51

b) 54 + 15 + 12 = - 81​

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1) Em um jogo de cards, Rafael tinha 54; perdeu 15 na primeira rodada e ganhou 12 na segunda rodada....
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