Question

resolva cada sentença
a) √256 - √100
b)√196 - √64
c)√121 - √169
d)√225 - √441

Answer 1

Oi....

$a)\sqrt{256} - \sqrt{100} \\\\16 - 10\\\\6\\\\b)\sqrt{196}-\sqrt{64} \\\\14 - 8\\\\6\\\\c)\sqrt{121}-\sqrt{169}\\\\11 - 13\\\\- 2\\\\d)\sqrt{225}-\sqrt{441}\\15-21\\\\- 6$

Espero ter ajudado.