1.
77792025 ta+77782025 ta+77772025 ta++77722025 ta+77712025 ta\underbrace{77\ldots79}_{2025\text{ ta}} + \underbrace{77\ldots78}_{2025\text{ ta}} + \underbrace{77\ldots77}_{2025\text{ ta}} + \ldots + \underbrace{77\ldots72}_{2025\text{ ta}} + \underbrace{77\ldots71}_{2025\text{ ta}} yig'indini 7 ga bo'lgandagi qoldiqni toping.
2.
Hisoblang.

{3[lg5]+5{lg0,1}7[ln3]}\{3 \cdot [\lg 5] + 5 \cdot \{\lg 0{,}1\} - 7[\ln 3]\}
3.
Uzunligi 40 metr bo'lgan arqondan eng ko'pi bilan necha kvadrat metr yerni o'rash mumkin?
4.
Dengiz suvida 5%5\% li tuzli suv bor. 30 litr suvga qancha litr toza suv quyilsa tuz miqdori 2%2\% bo'ladi?
5.
Hisoblang.

((32412)13+2135416)2\left(\left(3 \cdot 24^{\frac{1}{2}}\right)^{\frac{1}{3}} + 2^{\frac{1}{3}} \cdot 54^{\frac{1}{6}}\right)^2
6.
Hisoblang.

575576527\sqrt[6]{5^7 \cdot \sqrt[7]{5^5}} \cdot \sqrt[7]{5^{-2}}
7.
Hisoblang.

5323+2+51283323+223\frac{5}{\sqrt[3]{32} + 2} + \frac{5}{\sqrt[3]{128} - \sqrt[3]{32} + 2} - \sqrt[3]{2}
8.
ana_n arifmetik progressiyada a2=2a1a_2 = 2a_1 va a10=20a_{10} = 20 bo'lsa, S6S5S_6 - S_5 ni toping.
9.
{an}\{a_n\} arifmetik progressiya va {bn}\{b_n\} geometrik progressiya berilgan. Agar a1+a2+a3++an=820a_1 + a_2 + a_3 + \ldots + a_n = 820, b1+b2+b3=217b_1 + b_2 + b_3 = 217, b1=a2b_1 = a_2, b2=a9b_2 = a_9 va b3=a44b_3 = a_{44} (d0)(d \ne 0) bo'lsa, nn ni toping.
10.
Ifodani soddalashtiring.

(1x2+y242xy):(12+1xy121xy):2x+y2xy\left(1 - \frac{x^2 + y^2 - 4}{2xy}\right) : \left(\frac{\frac{1}{2} + \frac{1}{x - y}}{\frac{1}{2} - \frac{1}{x - y}}\right) : \frac{2 - x + y}{2xy}
11.
Agar (a+b+2025)2=4(a+1012)(b+1013)(a + b + 2025)^2 = 4(a + 1012)(b + 1013) bo'lsa, aba - b ni toping.
12.
Tengsizlikni yeching.

2cos2x6sinx320\sqrt{2}\cos 2x - 6\sin x - 3\sqrt{2} \le 0
13.
Hisoblang.

sin40cos402cos85\frac{\sin 40^\circ - \cos 40^\circ}{\sqrt{2}\cos 85^\circ}
14.
Tenglamaning haqiqiy ildizlari ko'paytmasini toping.

2025x24=2026x242025^{x^2 - 4} = 2026^{x^2 - 4}
15.
Tenglamalar sistemasining haqiqiy ildizlari yig'indisini toping.

{log3(35x+23y)=443y5x+1=113\begin{cases} \log_3(3 \cdot 5^x + 2 \cdot 3^y) = 4 \\ 4 \cdot 3^y - 5^{x+1} = -113 \end{cases}
16.
Tenglamaning haqiqiy ildizlari yig'indisini toping.

2x210x+2x25x+4=42x^2 - 10x + 2\sqrt{x^2 - 5x + 4} = 4
17.
Tenglamaning haqiqiy ildizlari yig'indisini toping.

x26x=2\sqrt{x - 2} - \sqrt{6 - x} = 2
18.
Tengsizlikning butun yechimlari nechta?

2x214x+6x24x+33x8x30\frac{2x^2 - 14x + 6}{x^2 - 4x + 3} - \frac{3x - 8}{x - 3} \ge 0
19.
Nechta butun son tengsizlikning yechimi bo'la oladi?

(x1)2x+6x212x+350\frac{(x - 1)^2\sqrt{x + 6}}{x^2 - 12x + 35} \le 0
20.
y=a3x+by = a \cdot 3^x + b funksiya berilgan. A(2;579)A\left(-2; 5\frac{7}{9}\right) va B(2;12)B(2; -12) nuqtalar shu funksiyaga tegishli bo'lsa, funksiyaning teskari funksiyasi aniqlanish sohasini toping.
Savol
21.
Aniqmas integralni hisoblang.

dxx4+1\int \frac{dx}{x^4 + 1}
22.
f(x)=(x8)ex7f(x) = (x - 8) \cdot e^{x - 7} funksiyaning [5;9][5; 9] oraliqdagi eng kichik qiymatini toping.
23.
ABCABC muntazam uchburchakning tomoni uzunligi 12 ga teng bo'lsa, bo'yalgan soha yuzini toping.
Savol
24.
y=f(x)y = f(x) juft funksiya va y=g(x)y = g(x) toq funksiyalar berilgan. Quyidagi berilgan funksiyalardan nechtasi toq funksiya?

I. y=f(x)g(x)y = f(x) \cdot g(x)

II. y=f(x)g(x)y = \frac{f(x)}{g(x)}

III. y=f(x)+g(x)y = f(x) + g(x)
25.
Rasmda ABCABC uchburchak tasvirlangan. Agar ABCABC uchburchak yuzi 108 ga teng bo'lsa, rasmdagi ma'lumotlar asosida bo'yalgan soha yuzini toping.
Savol
26.
ABCABC teng yonli uchburchakning BCBC asosiga ADAD kesma tushirilgan va ABDABD, ADCADC uchburchaklarga aylanalar chizilgan. Agar BD=14BD = 14, DC=6DC = 6 bo'lsa, MNMN kesma uzunligini toping.
Savol
27.
ABCDABCD trapetsiyaning BCBC va ADAD asoslari mos ravishda 16 va 44 ga, ABAB va CDCD yon tomonlari esa mos ravishda 17 va 25 ga teng bo'lsa, ABCDABCD trapetsiya yuzini toping.
28.
Muntazam ko'pburchakning diagonallari soni 35 ta bo'lsa, uning bir uchidan chiqqan eng katta va eng kichik diagonallari orasidagi burchakni toping.
29.
ABCDABCD parallelogramning diagonallari OO nuqtada kesishadi. BCBC tomondan EE nuqta shunday olindiki, bunda BEEC=3\frac{BE}{EC} = 3. Agar OE=aAB+bBC\overrightarrow{OE} = a \cdot \overrightarrow{AB} + b \cdot \overrightarrow{BC} bo'lsa, a+ba + b ni toping.
Savol
30.
Kesik konusning to'la sirti yon sirtidan ikki marta katta. Agar kesik konusning asoslari radiuslari 4 va 12 ga teng bo'lsa, kesik konus hajmini toping.
31.
Sinfda 25 ta o'quvchi bor. 9 ta o'quvchi kimyo to'garagiga, 8 ta o'quvchi biologiya to'garagiga qatnashadi. 10 ta o'quvchi esa hech qaysi to'garakka qatnashmaydi. Nechta o'quvchi ikkala to'garakka ham qatnashadi?
32.
"MATEMATIKA" so'zidagi har bir harfni bittadan qog'ozga yozib chiqildi. Bitta qog'ozni olganda M chiqish ehtimolini toping.

Topshiriqlar (33-35) va javob variantlari (A-F) ni o'zaro moslashtiring.

33-35.
Muntazam uchburchakli ABCDABCD piramidaning asosining tomoni 2 ga teng. ABAB va BCBC tomonining o'rtalarida EE va DD nuqtalar olingan. SEDSED kesim asos tekisligi bilan 4545^\circ tashkil qiladi.
Savol

Javob variantlari:

A)
16\frac{1}{6}
B)
708\frac{\sqrt{70}}{8}
C)
18\frac{1}{8}
D)
156\frac{\sqrt{15}}{6}
E)
16\frac{1}{\sqrt{6}}
F)
612\frac{\sqrt{6}}{12}
SavolABCDEF
33.
SDSD uzunligini toping.
34.
DESDES kesim yuzini toping.
35.
DEACSDEACS piramida hajmini toping.
36.
Tenglamani yeching.

x423x2x+33=0x^4 - 2\sqrt{3}x^2 - x + 3 - \sqrt{3} = 0
a) Tenglama nechta musbat ildizga ega?
b) Tenglama nechta haqiqiy ildizga ega?
37.
Tenglamani yeching.

tg2xtgxtg2xtgx=2sin(π4+x)sin(π4x)\frac{\operatorname{tg}2x \cdot \operatorname{tg}x}{\operatorname{tg}2x - \operatorname{tg}x} = 2\sin\left(\frac{\pi}{4} + x\right) \cdot \sin\left(\frac{\pi}{4} - x\right)
a) Tenglamaning eng katta manfiy ildizini toping.
b) Tenglamaning [0;π][0; \pi] oraliqdagi ildizlar sonini toping.
38.
f(x)=x3+ax2+bx+cf(x) = x^3 + ax^2 + bx + c funksiya berilgan. Agar (x+1)f(x1)+(x1)f(x+1)=2xf(x)(x + 1) \cdot f(x - 1) + (x - 1) \cdot f(x + 1) = 2x \cdot f(x) tenglik o'rinli bo'lsa,
a) f(1)f(1)f(1) - f(-1) ning qiymatini toping.
b) f(2)f(2)f(2) - f(-2) ning qiymatini toping.
39.
Rasmda (7;9)(-7; 9) oraliqdagi y=f(x)y = f'(x) funksiya grafigi tasvirlangan. (Bunda f(x)f'(x)f(x)f(x) funksiyaning birinchi tartibli hosilasi, f(x)f''(x)f(x)f(x) funksiyaning ikkinchi tartibli hosilasi.) Funksiya grafigi 1×11 \times 1 o'lchamdagi katakchalarda tasvirlangan.
Savol
a) y=f(x)y = f(x) funksiyaning ekstremum nuqtalari sonini toping.
b) f(x)f(x)<0\frac{f'(x)}{f''(x)} < 0 tengsizlikni nechta butun son qanoatlantiradi?
40.
y=x3y = x^3 funksiyaning grafigi koordinata o'qlari hamda x=0x = 0 va y=1y = -1 to'g'ri chiziqlari bilan chegaralangan soha berilgan. (π3\pi \approx 3 deb olinsin.)
a) Chegaralangan soha yuzini toping.
b) Chegaralangan sohani OYOY o'qi atrofida 360360^\circ ga aylantirishdan hosil bo'lgan jism hajmini toping.
41.
ABCABC to'g'ri burchakli uchburchakning to'g'ri burchagidan tushirilgan mediana va bissektrisasi mos ravishda 48 va 8 ga teng bo'lsa,
a) ABCABC uchburchakning yuzini toping.
b) Hosil bo'lgan BMLBML uchburchakning yuzini toping.
42.
ABCDABCD to'g'ri burchakli trapetsiyaning BCBC kichik asosi 3 ga, ADAD katta asosi esa 7 ga, kichik yon tomoni 5 ga teng. Trapetsiyaning diagonallari OO nuqtada kesishadi.
a) OO nuqtadan kichik yon tomonigacha bo'lgan eng qisqa masofani toping.
b) CODCOD uchburchak yuzini toping.
43.
ABCDEABCDE muntazam beshburchakning CDCD tomonidan FF nuqta olingan. BDBD diagonal va AFAF kesma PP nuqtada kesishadi.
Savol
a) Agar PD=51|PD| = \sqrt{5} - 1 bo'lsa, BPBP kesma uzunligin toping.
b) Agar S1=35S_1 = 3 - \sqrt{5} bo'lsa, S2S_2 ning qiymatini toping.
44.
Rasmda markazi OO nuqtada, radiusi 10 ga teng bo'lgan shar va konus tasvirlangan. Shar va konus DD nuqtada urinadi, ACAC diametr va BC=5BC = 5 bo'lsa, (π3\pi \approx 3 deb olinsin.)
Savol
a) Konus asosi radiusini toping.
b) Konus balandligini toping.
45.
Rasmda balandligi hh ga teng bo'lgan bino tasvirlangan. Rasmdagi ma'lumotlardan foydalanib, (3=1,7\sqrt{3} = 1{,}7 deb olinsin.)
Savol
a) Bino balandligini toping.
b) ADAD kesma uzunligini toping.