Ta có\(\sqrt[3]{2}=1,25992105\\ \sqrt[2]{3}=1,732050808\)
=> 1,25992105<1,73205080 =>\(\sqrt[3]{2}< \sqrt[2]{3}\)
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bai 4 so sanh cac so thuc
\(\frac{4}{9}va\)0,4(5)
\(\sqrt[2]{3}va\sqrt[3]{2}\)
So sanh giup với cả nha ơi 3447 va 2668
so sanh x va y biet
a) x=\(2\sqrt{7}\)va y=\(3\sqrt{3}\)
b) x=\(6\sqrt{2}\)va y=\(5\sqrt{3}\)
c) x=\(\sqrt{31}-\sqrt{33}\) va y=\(6-\sqrt{11}\)
so sanh
a) 2^90 va 5^36
b) 99^200 va 9999^100
c) 2^150 va 3^100
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SO SANH
\(-2\sqrt{5}va-5\sqrt{2}\)
230+320+430 va 3.2410
so sanh chung . trinh bay cach giai giup minh nha cac ban co gi minh tick
1) So sanh
\(\frac{7}{\sqrt{1}}+\frac{7}{\sqrt{2}}+\frac{7}{\sqrt{3}}+...+\frac{7}{\sqrt{90}}+\frac{7}{\sqrt{100}}.\)va 70
2)Tinh
\(\frac{1}{x^2+3x+2}+\frac{2x}{x^3+4x^2+4x}+\frac{1}{x^2+5x+6}\)
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a=\(\sqrt{50+2}\)
b=\(\sqrt{50}+\sqrt{2}\)
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