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Agar arifmetik progressiyada:
bo'lsa, uning dastlabki n ta hadining yig’indisini toping.
414
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| bet | 3/28 | | Sana | 11.01.2024 | | Hajmi | 497 Kb. | | #134757 |
Bog'liq 9-konspekt-algebra-4-chorak тефонаграмма 0001, asadbek, chorvachilik, 3x4, 484-490, Doc104, Ismatullayev mavlon, 1668927 (1), 9. Shaxsning ijtimoiy borliqni bilishi. (1), Academic-Data-390211100240, 1709381293, 2020 1-сон (11)413. Agar arifmetik progressiyada:
bo'lsa, uning dastlabki n ta hadining yig’indisini toping.
414. 2 dan 98 gacha bo’lgan barcha natural sonlar yig’indisini toping (98 ham yig’indiga kiradi).
415. 1 dan 133 gacha bo’lgan barcha toq sonlarning yig’indisini toping (133 ham yig’indiga kiradi).
416. Agar arifmetik progressiyada:
1) a1=-5, d=0,5; 2) a1=
bo'lsa, uning dastlabki o’n ikkita hadi yig’indisini toping.
417. 1) agar n=11 bo’lsa, 9; 13; 17; …;
2) agar n=12 bo’lsa, -16; -10; -4; …
arifmetik progressiyaning dastlabki n ta hadi yig’indisini toping.
418. Agar:
1) 3+6+9+…+273; 2) 90+80+70+…+(-60)
Yig’indining qo’shiluvchilari arifmetik progressiyaning ketma-ket hadlari bo’lsa, shu yig’indini toping.
419. Barcha ikki xonali, barcha uch xonali sonlar yig’indisini toping.
5. Darsga yakun yasash va baholash – darsning maqsadini yana bir bor eslatish va unga qanchalik erishilganligini o’quvchilar bilan birgalikda aniqlash. O’quvchilarning mavzu bo’yicha savollariga javob berish, ulaming o’zlashtirganlik darajasini aniqiash, darsning asosiy lahzalarini qayd qilish. Darsda faol qatnashgan o’quvchilarni tilga olish va baholash;
6. Uyga vazifa ________________________
Sana: «___» _____________ 201__ y.
Sinf: 9-« » sinf
Fan: «Algebra»
Darsning mavzusi: MASALALAR YECHISH
Dars soati: __ soat (___ minut).
Darsning maqsadi:
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