\(\sqrt{49}+\sqrt{36}-\sqrt{25}+\sqrt{100}\)
\(=7+6-5+10\)
\(=18\)
có phải như vậy ko?
\(\sqrt{49}+\sqrt{36}-\sqrt{25}+\sqrt{100}\)
\(=7+6-5+10\)
\(=13-5+10\)
\(=8+10\)
\(=18\)
\(\sqrt{36.}\sqrt{49}-\sqrt{225}:\sqrt{25}\)
tính
a) \(\sqrt{16}.\sqrt{25}+\sqrt{196}:\sqrt{49}\)
b) 36 : \(\sqrt{2.3^2.18}-\sqrt{169}\)
c) \(\sqrt{\sqrt{81}}\)
d) \(\sqrt{3^2+4^2}\)
\(\sqrt{16}.\sqrt{25}+\sqrt{169}:\sqrt{49}\)
a) \(\dfrac{2}{5}\sqrt{25}\) -\(\dfrac{1}{2}\sqrt{4}\) b)0,5\(\sqrt{0,09}\) +5\(\sqrt{0,81}\) c)\(\dfrac{2}{5}\sqrt{\dfrac{25}{36}}\) -\(\dfrac{5}{2}\sqrt{\dfrac{4}{25}}\)
d)-2\(\sqrt{\dfrac{-36}{-16}}\) + 5\(\sqrt{\dfrac{-81}{-25}}\)
Thực hiện phép tính:
a. \(\sqrt{25}+2\sqrt{49}\)
b. \(\sqrt{16}.\sqrt{25}+\sqrt{169}:\sqrt{49}\)
c. \(\sqrt{\left(3-\sqrt{7}\right)^2}+\sqrt{7}\)
d. \(2\sqrt{3}-\sqrt{75}+2\sqrt{12}\)
Giải phương trình
a) \(\sqrt{4x^2-4x+1}=3\)
b) \(\sqrt{49x-49}-\sqrt{36x-36}=3\sqrt{2}\)
\(\sqrt{9}\) \(\sqrt{25}\)
\(\sqrt{64}\) \(\sqrt{100}\)
\(\sqrt{49}\)
\(\sqrt{36}\)
Tính
a) \(\sqrt{\left(2-\sqrt{3}\right)^2}+\sqrt{\left(\sqrt{3}+1\right)^2}\)
b) \(\sqrt{16}.\sqrt{25}+\sqrt{196}:\sqrt{49}\)
c) \(-0.3.\sqrt{\left(-0.3\right)^2}\)
d) \(36:\sqrt{2.3^2.18}-\sqrt{169}:13\)
Bạn nào giải từng bước giúp mình với, mình cảm ơn nhiều
\(2.\sqrt{16-\sqrt{81}+}\sqrt{25}.\sqrt{49}\)
