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52. Arifmetik progressiya. Arifmetik progressiyaning n-hadi — JAYDARIMOCK
Abituriyent 1-11 to'plami
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52. Arifmetik progressiya. Arifmetik progressiyaning n-hadi
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1.
Oson
Arifmetik progressiyada
a
1
=
3
,
d
=
4
bo'lsa,
a
10
ni toping.
A)
35
B)
39
C)
43
D)
37
Javobni tekshirish
Yechim tahlili
Oldingi
Keyingi
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