Question

1 . determine o valor das expressões​

Answer 1

Resposta:

$\sqrt{144} \div 4 \times 2 \sqrt{36} \div 4$

12 ÷ 4 = 3 x 2 x 6 ÷4=

9

16 ÷ (-2) +

$\sqrt{81} \times - 1$

16 ÷ (-2) + 9 x (-1)

-8 -9 = -17

$\sqrt{64}$

8 -4.(-5) - 9+ (-3)

20 +8 -12 = 16