Question

Copie e complete o quadro:

Answer 1

$a$

4

18/2 = 9

50/2 = 25

${a}^{2}$

4×4 = 16

9×9 = 81

25×25 = 625

$2 \times a$

2×4 = 8

18

50

$\sqrt{a}$

$\sqrt{4} = 2$

$\sqrt{9} = 3$

$\sqrt{25} = 5$