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----- Nội dung ảnh -----
14. \( \left( \frac{1}{4} \right)^x = \left( \frac{1}{8} \right)^6 \)
17. \( \left( \frac{1}{16} \right)^x = \left( \frac{1}{8} \right)^{36} \)
20. \( \left( \frac{1}{9} \right)^x = \left( \frac{1}{27} \right)^6 \)
23. \( \left( \frac{4}{9} \right)^x = \left( \frac{8}{27} \right)^6 \)
----- Nội dung ảnh -----
14. \( \left( \frac{1}{4} \right)^x = \left( \frac{1}{8} \right)^6 \)
17. \( \left( \frac{1}{16} \right)^x = \left( \frac{1}{8} \right)^{36} \)
20. \( \left( \frac{1}{9} \right)^x = \left( \frac{1}{27} \right)^6 \)
23. \( \left( \frac{4}{9} \right)^x = \left( \frac{8}{27} \right)^6 \)