6) Copie as expressões e coloque em cada um dos sinais + ou – de modo a obter igualdades. A) 5 3 1 = 7 B) 8 1 5 = 2 C) 15 5 10 = 30 D) 16 2 1 = 15
Soluções para a tarefa
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Resposta:
A) 5 + 3 - 1 = 7
B) 8 - 1 - 5 = 2
C) 15 + 5 + 10 = 30
D) 16 - 2 + 1 = 15
espero que ajude-o !!!!!
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