\(\sqrt[3]{64}+\sqrt[3]{6859}+\sqrt[3]{729}\)
\(=\sqrt[3]{4^3}+\sqrt[3]{19^3}+\sqrt[3]{9^3}\)
\(=4+19+9\)
\(=32\)
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\(\sqrt[3]{729}\)
22 tháng 10 2021 lúc 7:56
Giá trị biểu thức A = [ \(\sqrt{64}\) + 2.\(\sqrt{(-3)^{2}}\)- 7.\(\sqrt{1,69}\) + 3.\(\sqrt{\dfrac{25}{16}}\)] : (5.\(\sqrt{\dfrac{2}{3}})^{2}\)
Tính A. Các bạn giúp mk với ạ.
Tính
a) \(2\sqrt{\frac{25}{16}}-3\sqrt{\frac{49}{36}}+4\sqrt{\frac{81}{64}}\)
b) \(\left(3\sqrt{2}\right)^2-\left(4\sqrt{\frac{1}{2}}\right)^2+\frac{1}{16}.\left(\sqrt{\frac{3}{4}}\right)^2\)
c) \(\frac{2}{3}\sqrt{\frac{81}{16}}-\frac{3}{4}\sqrt{\frac{64}{9}}+\frac{7}{5}.\sqrt{\frac{25}{196}}\)
Giúp mik với
Tính
a)\(\frac{2}{3}\sqrt{81}-\left(\frac{-3}{4}\right).\sqrt{\frac{9}{64}}+\left(\frac{\sqrt{2}}{3}\right)^2\)
b)\(\left(-\sqrt{\frac{5}{4}}\right)^2-\sqrt{\frac{9}{4}}:\left(-4,5\right)-\sqrt{\frac{25}{16}}.\sqrt{\frac{64}{9}}\)
c)\(-2^4-\left(-2\right)^2:\left(-\sqrt{\frac{16}{121}}\right)-\left(-\sqrt{\frac{2}{3}}\right)^2:\left(-2\frac{2}{3}\right)\)
Tính A= \(\left[\sqrt{64}+2.\sqrt{\left(-3\right)^2}-7.\sqrt{1,69}+3.\sqrt{\frac{25}{16}}\right]:\left(5.\sqrt{\frac{2}{3}}\right)^2\)
Tính \(\frac{2}{3}\sqrt{81}-\left(-\frac{3}{4}\right):\sqrt{\frac{9}{64}}+\left(\frac{\sqrt{2}}{3}\right)^0-\left(\sqrt{3}\right)^2\)
\(\sqrt{25}-\frac{1}{3}\sqrt{64}+\sqrt{\frac{4}{100}}\)
a
\(\sqrt{25-3\sqrt{\frac{4}{3}}}\)
b\(\left(-2^3\right)+\frac{1}{2}:\frac{1}{8}-\sqrt{25}+\left|-64\right|\)
c\(\left(-2^2\right)+\sqrt{36}.2-\sqrt{9}.3+\sqrt{25}\)
\(\sqrt{64}+3.\sqrt{ \left(\frac{1}{2}\right)^0}-\frac{\sqrt{16}}{4}+\left(\sqrt{\left(-4\right)^2}:\frac{1}{2}\right).8\)