9-sinf-matematika-iv-chorak-test-savollari-2-variant-1

mazkur xujjatni hech qanday muxrsiz, erkin holda olish uchun +998902295952 telefon raqamiga qo’ng’iroq qiling va arzon narx evaziga unga ega bo’ling! p.s. sizning to’lovingiz [bookmark: _goback]www.entt.uz loyihasi rivoji uchun sarflanadi. narxi: 2000 sum blockni o’chirish uchun oynaning o’ng tarafida viklyuchit zashitu ni bosing va kalit so’zni tering. iv – chorak ii – variant. 1.arifmetik progressiyada: a1=-3, d=4 a20=? a)55 b)79 c)14 d)100 e)73 2.arifmetik progressiyaning n- hadi formulasini yozing: (an);-25,-21,-17,-13,… a) an=-25+4(n-1) b) an=21+4(n-2) c) an=10-3(n-1) d) an=-9-5(n-1) e) to’g’ri javob yo’q 3.geometrik progressiyada: b1=1 va q=2 bo’lsa, b7 ni hisoblang a)64 b)14 c) d)0.25 e)1.36 4.geometrik progressiyaning n hadi formulasini yozing: (bn);-4,-12,-36,… a)bn=1.2*3n+2 b) bn...

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