\(\sqrt{8}=2\sqrt{2}\)
\(\sqrt{2}=\sqrt{2}\)
\(\sqrt{3}=\sqrt{3}\)
\(\sqrt{7}=\sqrt{7}\)
\(\sqrt{144}=12\)
\(\sqrt{156}=2\sqrt{39}\)
\(\sqrt{139}=\sqrt{139}\)
\(\sqrt{0,04}=0,2\)
\(\sqrt{1,75}=\sqrt{1,75}\)
\(\sqrt{2,96}=\sqrt{2,96}\)
a) 2 căn 2
b) căn 2
c) căn 3
d) căn 7
e) 12
g) 2 căn 39
h) căn 139
i) 0,2
k) căn 7 / 2
l) căn 74 /5
a: \(2\sqrt{2};-2\sqrt{2}\)
b: \(\sqrt{2};-\sqrt{2}\)
c: \(\sqrt{3};-\sqrt{3}\)
d: \(-\sqrt{7};\sqrt{7}\)
e: 12;-12
g: \(2\sqrt{39};-2\sqrt{39}\)
h: \(\sqrt{139};-\sqrt{139}\)
i: 0,2;-0,2
k: \(\sqrt{1.75};-\sqrt{1.75}\)
l: \(\sqrt{2.96};-\sqrt{2.96}\)