Question

[Pham Trong Bach]

Viết các số  ${\left(\frac{1}{3}\right)}^0,{\left(\frac{1}{3}\right)}^{-1},{\left(\frac{1}{3}\right)}^{\mathrm{\pi }},{\left(\frac{1}{3}\right)}^{\sqrt{2}}$ theo thứ tự tăng dần

A.  ${\left(\frac{1}{3}\right)}^{\mathrm{\pi }},{\left(\frac{1}{3}\right)}^{\sqrt{2}},{\left(\frac{1}{3}\right)}^0,{\left(\frac{1}{3}\right)}^{-1}$

B.  ${\left(\frac{1}{3}\right)}^{-1},{\left(\frac{1}{3}\right)}^0,{\left(\frac{1}{3}\right)}^{\mathrm{\pi }},{\left(\frac{1}{3}\right)}^{\sqrt{2}}$

C.  ${\left(\frac{1}{3}\right)}^{-1},{\left(\frac{1}{3}\right)}^0,{\left(\frac{1}{3}\right)}^{\sqrt{2}},{\left(\frac{1}{3}\right)}^{\mathrm{\pi }}$

D.  ${\left(\frac{1}{3}\right)}^0,{\left(\frac{1}{3}\right)}^{-1},{\left(\frac{1}{3}\right)}^{\mathrm{\pi }},{\left(\frac{1}{3}\right)}^{\sqrt{2}}$

Answer 1

[Cao Minh Tâm]

Ta có  - 1   <   0   <   2   <   π và  0   <   1 3 <   1 nên

Chọn đáp án A.