December 2019 2 131 Report
Efetue.

a) 5 \sqrt{7} + 3 \sqrt{7}
b) 4 \sqrt{5} - 2 \sqrt{5}
c) 2 \sqrt[3]{9} + 3 \sqrt[3]{9}
d) \sqrt{5} - \sqrt{5} - \sqrt{5}
e) 5 \sqrt{2} - 3 \sqrt{2} + 2 \sqrt{2}
f) 8 \sqrt{3} - 2 \sqrt{3} - 8 \sqrt{3} + \sqrt{3}


Me ajudem... valendo 25 pontos.
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