Arifmetik progressiyada a1 = 5 va d = 3 bo'lsa, uning 6-hadini toping., 20, 23, 17, 31, Geometrik progressiyada b1 = 2 va q = 3 b o'lsa, uning 4-hadini toping., 18, 54, 34, 27, 3, 7, 11, 15, ... arifmetik progressiyaning ayirmasi d nechaga teng?, 2, 0.4, -4, 4, a11= 26, a41 = 44 boʻlsa, a1 ning qiymatini toping., +- 1.5, 15, 3, 1, d = 12, a1 = -3 boʻlsa, a10ning qiymatini toping., 15, 2, 1.5, 3, a4 + a8 = 14, d = 1 boʻlsa, a200ning qiymatini toping, 20.1, 2001, 100, 201, Geometrik progressiyada b2 = 6 va b3 = 18 bo'lsa, birinchi hadni b1 toping., 3, 2, 1, 4, Arifmetik progressiyada a2 + a2 = 18 bo'lsa, uning to'rtinchi hadi a4 nechaga teng?, 9, 12, 2, 11, bn geometrik progressiyada b1 = 3 va b3 = 12 bo'lsa, uning maxraji q qanday qiymatlar qabul qilishi mumkin?, +-1, +-2, 4, 0.2, Geometrik progressiyada b2 *b4 = 36 bo'lsa, uning uchinchi hadi b3 qanday musbat qiymatga ega bo'ladi?, 18, 15, 2, 6, x, 10, 25 sonlari ketma-ketligi geometrik progressiyani tashkil etsa, x ning qiymatini toping., 1, 4, 2, 3.

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