11
Uchburchakning tomonlari ayirmasi 5 ga teng arifmetik progressiya tashkil etadi.Uchburchakning o’tmas burchakli ekani ma’lum bo’lsa eng kichik tomonning eng katta butun qiymatini toping.
|
|
А)
|
13
|
|
В)
|
16
|
|
С)
|
15
|
|
D)
|
14
|
|
|
|
12
|
Agar a-b+c=3 va ab+bc-ac=4 tengliklar o’rinli bo’lsa, a2+b2+c2=?
|
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A)
|
17
|
|
В)
|
12
|
|
С)
|
20
|
|
D)
|
15
|
|
|
|
13
|
Agar  bo’lsa,  ifodaning qiymatini toping.
|
|
A)
|
2
|
|
В)
|
|
|
С)
|
|
|
D)
|
|
|
|
|
|
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