1) Agar (an) arifmetik progressiyaning a1=96, a37=6 bo’lsa, ayirmani toping.
3) Agar (an) arifmetik progressiyada a1=5, a100=599 bo’lsa, arifmetik progressiya yuzta hadining yig’indisini toping.
4) Agar (an) arifmetik progressiyada bo’lsa, arifmetik progressiya n-hadi va n ta hadi
yig’indisi formulasini yozing.
Ko’chirib olish: 9-sinf, Algebra. Arifmetik progressiya mavzusida nazorat ishi