约 825 个结果
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  1. Khan Academy

  2. Khan Academy

  3. Khan Academy

  4. Doing u-substitution twice (second time with w) | Khan Academy

  5. 𝘶-substitution with definite integrals (άρθρο) | Ακαδημία Khan

  6. 𝘶-substitution intro (видео) | Хан Академи

  7. 𝘶-substitution: logarithmic function (video) | Khan Academy

  8. 𝘶-substitution intro (βίντεο) | Ακαδημία Khan

  9. 𝘶-substitution: challenging application (ವೀಡಿಯೊ) | ಖಾನ್ …

  10. 𝘶-substitution: defining 𝘶 (video) | Khan Academy