Question

\(\sqrt{14+\sqrt{16900}}-\sqrt{19+\sqrt{900}}+\sqrt{45+\sqrt{3025}}\)

Answer 1

\(\sqrt{14+\sqrt{16900}}-\sqrt{19+\sqrt{900}}+\sqrt{45+\sqrt{3025}}\)

\(=\sqrt{14+\sqrt{130^2}}-\sqrt{19+\sqrt{30^2}}+\sqrt{45+\sqrt{55^2}}\)

\(=\sqrt{14+130}-\sqrt{19+30}+\sqrt{45+55}\)

\(=\sqrt{144}-\sqrt{49}+\sqrt{100}\)

\(=\sqrt{12^2}-\sqrt{7^2}+\sqrt{10^2}\)

\(=12-7+10\)

\(=5+10\)

\(=15\)

Answer 2

Mk nghĩ bạn cx lm đc mak cần J đăng :)

\(\sqrt{14+\sqrt{16900}}-\sqrt{19+\sqrt{900}}+\sqrt{45+\sqrt{3025}}\)

\(=\sqrt{14+130}-\sqrt{19+30}+\sqrt{45+55}=12-7+10=15\)

Mk đang rảnh nên thik lm mấy câu dễ dễ "___"