Câu hỏi trắc nghiệm (10 câu):
-
- A. \(\frac{1}{{30}}\)
- B. \(\frac{1}{{5}}\)
- C. 6
- D. \(\frac{1}{{6}}\)
-
- A. \(\frac{1}{{30}}\)
- B. \(\frac{1}{{5}}\)
- C. 6
- D. \(\frac{1}{{6}}\)
-
- A. \(\frac{1}{{40}}\)
- B. \(\frac{8}{{3}}\)
- C. \(\frac{3}{{8}}\)
- D. \(\frac{1}{{8}}\)
-
- A. \(\frac{1}{{40}}\)
- B. \(\frac{1}{{4}}\)
- C. 4
- D. \(\frac{1}{{8}}\)
-
- A. \(\frac{{15}}{{32}}\)
- B. \(\frac{{7}}{{8}}\)
- C. \(\frac{{1}}{{2}}\)
- D. Một đáp số khác
-
- A. \(\frac{3}{{115}}\)
- B. \(\frac{27}{{92}}\)
- C. \(\frac{9}{{92}}\)
- D. \(\frac{7}{{920}}\)
-
- A. \(\frac{5}{6}\)
- B. \(\frac{1}{6}\)
- C. \(\frac{2}{3}\)
- D. \(\frac{1}{3}\)
-
- A. \(\frac{1}{{14}}\)
- B. \(\frac{45}{{182}}\)
- C. \(\frac{1}{{90}}\)
- D. \(\frac{1}{{364}}\)
-
- A. 18
- B. 36
- C. 216
- D. 108
-
- A. \(\frac{{25}}{{216}}\)
- B. \(\frac{{1}}{{8}}\)
- C. \(\frac{{1}}{{6}}\)
- D. \(\frac{{1}}{{3}}\)