Question

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Answer 1

E din cartea mate 2000 clasa a 7_a??Am cartea te pot azuta!!

Answer 2

$\sqrt{49}=7$ N
$-4$ Z\N
$\frac{2}{5}$ Q\Z
$0.247$ Q\Z
$\sqrt{2}$ R\Q
$-1.5$ Q\Z
$\frac{14}{2}=7$ N