Question

Me ajudem por favor!​

Answer 1

Resposta:

a) $\frac{2}{2} -3=1-3=-2$

b)$\sqrt{47+2} =\sqrt{49} =7$

c)$\sqrt[3]{2-10} =\sqrt[3]{-8} =\sqrt[3]{2^{3}.( -1)}=2\sqrt[3]{-1}$

d)$5.2-7=10-7=3$