Question

\(\sqrt{24}+\sqrt{63}+3\)va 16 .so sanh

 

Answer 1

Ta có \(16=5+8+3=\sqrt{25}+\sqrt{64}+3.\)

do : \(25>24\Rightarrow\sqrt{25}>\sqrt{24}\);   \(64>63\Rightarrow\sqrt{64}>\sqrt{63}\)

=> \(\sqrt{25}+\sqrt{64}+3>\sqrt{24}+\sqrt{63}+3\)

=> \(\sqrt{24}+\sqrt{63}+3< 16\)

Answer 2

ta có căn64>căn63 (1)

căn25>căn24  (2)

167>3  (3)

cộng vế theo vế (1);(2);(3)

=>căn64+căn25+167=16>căn24+căn63+3