Question

por favor a conta completa, e explicada,​

Answer 1

Resposta:

a)

$( \frac{256}{4} - 3) + ( \frac{441}{4} - 3) \\ (64 - 3) + \frac{429}{4} \\ \frac{673}{4} \\ 168.25$

b)

$4(16 - 3) + 4(21 - 3) \\ 4 \times 13 + 4 \times 18 \\ 52 + 72 \\ 124$

c)

$(4 \sqrt{256} - 3) + (4 \sqrt{441} - 3) \\ (4 \times 16 - 3) + (4 \times 21 - 3) \\ (64 - 3) + (84 - 3) \\ 61 + 81 \\ 142$

bons estudos