Mathematics, 09.03.2021 05:40 hanchinsko12
1) Considere a e b números racionais quaisquer. Podemos afirmar que é INCORRETA a alternativa: *
1 ponto
a) a/2 será um número racional.
b) √a será um número racional.
c) a – b será um número racional.
d) a + b será um número racional.
2) Marque a alternativa em que o número mostrado, NÃO é um número racional: *
1 ponto
a) 3/1
b) 7/2
c) 8/2
d) √19
Answers: 3
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1) Considere a e b números racionais quaisquer. Podemos afirmar que é INCORRETA a alternativa: *
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