BT: Tính
a, sqrt{13}.sqrt{52}
b, sqrt{12,5}.sqrt{0,2}.sqrt{0,1}
c, sqrt{12}-sqrt{27}+sqrt{3}
d, sqrt{252}-sqrt{700}+sqrt{1008}-sqrt{448}
e, left(sqrt{12}-2sqrt{75}right).sqrt{3}
f, sqrt{3}.left(sqrt{12}+sqrt{27}-sqrt{3}right)
g, left(sqrt{18}+sqrt{32}-sqrt{50}right).sqrt{2}
h, sqrt{50}-sqrt{18}+sqrt{200}-sqrt{162}
k, frac{sqrt{6}+sqrt{10}}{sqrt{21}+sqrt{35}}
l, frac{sqrt{405}+3sqrt{27}}{3sqrt{3}+sqrt{45}}
m, frac{sqrt{2}+sqrt{3}+sqrt{4}-sqrt{6}-sqrt{9}-sqrt{12}}{sqrt{2}+sqrt{3}+sqrt{4...
Đọc tiếp
BT: Tính
a, \(\sqrt{13}.\sqrt{52}\)
b, \(\sqrt{12,5}.\sqrt{0,2}.\sqrt{0,1}\)
c, \(\sqrt{12}-\sqrt{27}+\sqrt{3}\)
d, \(\sqrt{252}-\sqrt{700}+\sqrt{1008}-\sqrt{448}\)
e, \(\left(\sqrt{12}-2\sqrt{75}\right).\sqrt{3}\)
f, \(\sqrt{3}.\left(\sqrt{12}+\sqrt{27}-\sqrt{3}\right)\)
g, \(\left(\sqrt{18}+\sqrt{32}-\sqrt{50}\right).\sqrt{2}\)
h, \(\sqrt{50}-\sqrt{18}+\sqrt{200}-\sqrt{162}\)
k, \(\frac{\sqrt{6}+\sqrt{10}}{\sqrt{21}+\sqrt{35}}\)
l, \(\frac{\sqrt{405}+3\sqrt{27}}{3\sqrt{3}+\sqrt{45}}\)
m, \(\frac{\sqrt{2}+\sqrt{3}+\sqrt{4}-\sqrt{6}-\sqrt{9}-\sqrt{12}}{\sqrt{2}+\sqrt{3}+\sqrt{4}}\)
n, \(\frac{\sqrt{6-2\sqrt{5}}}{\sqrt{5}-1}\)
p, \(\left(3+\sqrt{5}\right)\left(3-\sqrt{5}\right)-\left(2+\sqrt{3}\right)\left(2-\sqrt{3}\right)\)
q, \(2\sqrt{3}\left(\sqrt{2}-3\right)+\left(2-\sqrt{3}\right)^2+6\sqrt{3}\)
