= 2/3+3/7+11/5
=23/21+11/5
=346/105
Xin lỗi bn máy mình ko viết được căn
\(\sqrt{\frac{16}{36}}+\sqrt{\frac{9}{49}}+\sqrt{\frac{121}{25}}=\frac{2}{3}+\frac{3}{7}+\frac{11}{5}=\frac{346}{105}\)
\(\sqrt{\frac{16}{36}}+\sqrt{\frac{9}{49}}+\sqrt{\frac{121}{25}}\)
= \(\frac{2}{3} +\frac{3}{7} +\frac{11}{5}\)
=\(\frac{70}{105}+\frac{45}{105}+\frac{231}{105}\)
=\(\frac{70+45+231}{105}\)
=\(\frac{346}{105}\)