a,\(\sqrt{1+2\sqrt{2}+\sqrt{11+6\sqrt{2}}}\)

b,\(\sqrt{10-2\sqrt{21}}+\sqrt{4+2\sqrt{3}}\)

c,\(\sqrt{1+\dfrac{\sqrt{3}}{2}}+\sqrt{1-\dfrac{\sqrt{3}}{2}}\)

d,\(\sqrt{15+6\sqrt{6}}-\sqrt{21-6\sqrt{6}}\)

a,\(\sqrt{22+12\sqrt{2}}\)

b,\(\sqrt{\dfrac{5+2\sqrt{6}}{2}}\)

c,\(\sqrt{30+4\sqrt{2}\sqrt{7}}\)

d,\(\sqrt{5+2\sqrt{2-\sqrt{9-4\sqrt{2}}}}\)

e,\(\sqrt{1+2\sqrt{\sqrt{2+\sqrt{11+6\sqrt{2}}}}}\)

f,\(\sqrt{1+\dfrac{\sqrt{3}}{2}+\sqrt{1-\dfrac{\sqrt{3}}{2}}}\)

g,\(\sqrt{10-2\sqrt{21}}+\sqrt{4+2\sqrt{3}}\)

Rút gọn

a,\(\sqrt{14+4\sqrt{3}.\sqrt{2}}\)

b,\(\sqrt{11-4\sqrt{3}.\sqrt{2}}\)

c,\(\sqrt{28+16\sqrt{3}}\)

d,\(\sqrt{11+4\sqrt{7}}\)

e,\(\sqrt{29-4\sqrt{7}}\)

f,\(\sqrt{21+6\sqrt{2}.\sqrt{3}}\)

Rút gọn:

\(\sqrt{16-8\sqrt{3}}\)

\(\sqrt{38+12\sqrt{2}}\)

\(\sqrt{22+12\sqrt{2}}\)

\(\sqrt{17-12\sqrt{2}}\)

\(\sqrt{20-10\sqrt{3}}\)

Cho các số 3; 8; 14; 20; 6; 25; 32; 35; 51; 77, Tìm các số thỏa mãn:

a) Là ước của 12 ;

b) Là bội của 7.

36

ủng hộ mk nha