bebenu536 4/11/2024 9:17:31 PM

Câu 30:        Cho hình lập phương https://lh7-us.googleusercontent.com/afR6Iq-gKSsjstSeR_mG3QJf36nnqp5yxxq9Lys35Uo_qZYPs4Rp2WZUvddsCSMyKarjMDQQy7WUIqTZlGrzlecWEaud-1RurGjhO6vhbbdUzEgfeSbYiwPYo-LNM3P6b2AZCCBq4qYb2gY=s800 (hình vẽ bên dưới). Góc giữa hai đường thẳng https://lh7-us.googleusercontent.com/A-XFC9LWA-3pbmaxjkiZyBynsH-zWeLmvtEGMeRJeKz8dQ1Db5EwUOjOHc0VD4FUXrRGCG97QbfUdc7q3m8ALe2-U2WIheS4JqNEjGirHEcOlTcFPn975WSOWcP-QCksKwh_bszp7vpdWxs=s800 và https://lh7-us.googleusercontent.com/JWVgzDkS7wn6pTcXwfIAvSvaoL9acsQOXUMlN3NPxkLGkGp6STM3tUYnHSwd0ovV8w0MtykrgTzIFQx__CZ1TdFZ9cZMeYKYfJGAmdvRBkLPnCRnkbz7UWxJVsUJC8-IJtxtzw9zfIAEj3A=s800 bằng

https://lh7-us.googleusercontent.com/NkX3hAjIUwfGjI4KqnGYSyKQJBSvT5sk5IFaijbaF3L_b2uhT4Wcvrcy3jYsMQprw8mAIc64YRdJGPnCDpSaKmqEaAjVz601uqxUlLBOxjLnbsshVHquW0EqjGFLXGJ5PJ7JzVR8I6zLlrs=s800

A. https://lh7-us.googleusercontent.com/0igotpQ_S9eJQvpYHsLPKek58A3GcWHjWmlF4OYZtaYakDO_wCVtZTL3iHScvHLSQLWVamqM3hYMj1jIGP_Pj5Ed2BOmfxZxasKdbm6fMaiqQOzH3qFDRhpVlSjPIxVpGPQtMLWlXA3n_Jg=s800.        B. https://lh7-us.googleusercontent.com/2ybxbt093WX1aYfOgltiU4EtGp9d46hDglVhqgI6wqm7eZJrMEdLUNFN9zCd2pkO7aOPT7XCXfp3yEYSsLs5XXI3cR49p-SkEoKfraboWAiGoJueK1w3Bi6mtZE5xs28LMYz2hBbJZKR-lA=s800.        Chttps://lh7-us.googleusercontent.com/wVBL0ctWKHR4nsipQ6RipqRuV6u1ka4psDCRZE0f0urBG0g0rtv8aHW42DgvbshRu7b7Y-uYEjg4sjDK0UwIPNj4QHX7LzwccrWSNQTQtFWosDQZSTJYHwfArPdC-bpFRMO7AqWQue3fLrY=s800.        D. https://lh7-us.googleusercontent.com/tiXDMJSL_uNNuzd3jieg7Nx6S1HoulJEETRwEoT7eTmL5nayxTOxJp6qv1bCWdNDescXbPHQvSMOBvraOQyIAuu3j0OwCryqkOppX2bocw_gUuczy50luKwPwYfhs6pMZIRvotHJoqhb6nE=s800.

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