quynhdang123456789 4/11/2024 3:39:07 PM

Câu 27:        Cấp số cộng https://lh7-us.googleusercontent.com/Gld6i9bBTzQ_KkW5i5_wl2qy68DjY3tG3-i2acl5i1e5ew_DFvSd7OAnAsrJAZtzjsSAiKeKX5-Kavog2n4DjMqVFgTtUY7xSGLfsfVrfegJHyITJ-PBad8LSIZFbQXhBlZ7tF1BYOti0Nc=s800 hữu hạn có số hạng đầu https://lh7-us.googleusercontent.com/xBPcVrxCGKFo0owQOw-1we6QDeU7RGC7b_qp66bwlQ_AptsrR5wGb-7GcHn0pfFGDZR1_F68bpmr0NakAL84BF9yE6v9ICNZlqQQNvC_cNx5D1cDEOwGnHTdSiTQWI_VjQE5CWk7_d4l7lM=s800, công sai https://lh7-us.googleusercontent.com/0nYKKMkWB5vxdNceyI282Aw8xLjMk2AtlQLlGbYecOVoMRRQDmzWXo7ch6tG3hm8BhLG_kKib5m19UdW6_Yb0iJWRCyVfBMEJ230m-Lw2YT80sfzn2OI1jSqiNECYABArV10xSHTITBAr20=s800 và số hạng cuối là https://lh7-us.googleusercontent.com/0yDBYMtNa92LVG4NydEWRKn3x45JiX66a3nxYNkNPTjd818pTJ5PgNSqHORHqZ-d_zTu9mv5XKMSC-qWs_HKjCMf8-gy6Lefua0V_G4o4mDdsnLX6m__iTvlUEHqJe63BjaLMkrBSD6VRMg=s800. Cấp số cộng đã cho có bao nhiêu số hạng

A. https://lh7-us.googleusercontent.com/oF_0mTrlYk1W0tCm9h3lDazqfES-sxKAH1ZGO2aoQTdycAwj18VbqcRYjLWzs48DW0TilqvD6hiI-U16U8eYSHSWYc01FXln34RQ3nJObEPBzOTbiOU1vUztgMDDOIOIR0ncUq1wUrEhbGo=s800.        Bhttps://lh7-us.googleusercontent.com/dVIYkQPrBlHn_BnsTe7rNLSBThmMp-Y2wjrA9oZWEFAiVabMFoq1PgLvWUfrWvTzFKxMxJcdj9LC31O8OQ6Vhj3Fw7-v7REbuP8MPSYWnKQ1xDnaktAyNculBp0k7VKddqH1v95fW1JuOB0=s800.        C. https://lh7-us.googleusercontent.com/qmAX3_zV4nEAD4yiP-WzMx-PBoX5lw3PATBWAu6rSL2AuapmaT8OtcpBDLhuMeGg0-D6DStG1ICrs2VlKWkPgJIZh0-jUyhkh96nyvfAj4pFjvInHSW5wk66o4ZIKvM-dl-MWjqkISmBqWE=s800.        D. https://lh7-us.googleusercontent.com/d6dzdEPT7cqvl4wT6mnswzRuHWeI3GG5bqr17Bv9KHAoGoRVDEtk7ywmklqazmaowkTVFijdrEaqLun-ys3Qgbd3nmkunPRcW19YM2nxY13caPTjfxetohswAuhBOwuplK-MhJn1N2AQ0Mc=s800.

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