№18. ABC uchburchakda tomonlari uzunliklari: AB=12, BC=10, AC=18. Uchburchakning [BD] medianasi uzunligini toping.
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№19. ABC uchburchakda AB=10,BC=3,AC= . B burchakning kosinusini toping.
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№20. Tomonlari 3 sm va 9 sm bo’lgan to’g’ri to’rtburchak diagonallari hosil qilgan o’tkir burchakning kosinusini toping.
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№21. 735x79 soni 9 ga qoldiqsiz bo’linadi. x raqamining eng kichik qiymatini toping..
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№22 Hisoblang: ![](data:image/png;base64,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)
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№23. ning qiymatini baholang.
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№24. Tarkibida 19% tuz bolgan 48 kg eritmani, tarkibida 39% tuz bo’lgan eritma bilan aralashtirildi. Agar tarkibida 31% tuz bo’lgan eritma hosil bo’lgan bo’lsa ikkinchi eritmadan necha kg olingan?
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10-sinf MATEMATIKA Yozma ish III Variant
1. Tenglamani yeching:
2. Qog’ozda aylana tasvirlangan. Sirkul va chizg’ich yordamida shu aylana markazini toping.
3. Tengsizlikni yeching:
4. Uchburchakning yuzi 5 sm2. Uning ikki tomoni uzunliklari mos ravishda 3 sm va 4 sm. Berilgan tomonlar hosil qilgan burchak bissektrisasi bilan bo’lingan uchburchaklar yuzalarini toping.
5. Agar a>0 bo’lsa, ekanini isbotlang.
10-sinflar uchun MATEMATIKA fanidan test topshiriqlari I variant
4343-1717 ayirmani 10 ga bo’lgandagi qoldiqni toping. A) 1 B)5 C)2 D)0
A2+b2 ni a·b va a+b orqali ifodalang. A) (a+b)2-2ab B)(a+b)2-ab C)(a+b)2-4ab D)(a+b)·ab
X2-13x+q=0 tenglamaning ildizlaridan biri -14 ga teng. Uning ikkinchi ildizini toping. A)27 B)-1 C)-27 D)1
Qo’yidagi keltirilgan lardan qaysi biri ayniyat. 1.(x-c)(x-d)=x2-(c-d)x+cd 2. (x-e)(x+d)=x2-(e-d)x-ed 3. 12x2-y2-(8x2-5y2-(-10x2+(5x2-6y2)))=-x2+12y2 4. 3a-(2c-(6α-(c-b)+c+(α+8b)-6c=10α+9b-8c
A)1;3;4 B)2;3;4 C)1;2;4 D)1;2;3
Aylananing MN vatari 1200li yoyinitortib turadi. MN vatar o’zi tortib turgan kichik yoyning ixtiyoriy nuqtasidan qanday burchak ostida ko’rinadi? A) 1200 B)2700 C)1100 D)1000
Sayyoh muayyan masofaning 70% ni poezdda 29,8%ga paraxodda bosib o’tgandan keyin yo’l oxiriga cha yana 200 m qoldi Sayyi=oh poezdda necha km yo’l bosgan. A) 80 B)70 C)85 D)75
·αx =3x+1 tenglama α ning qanday qiymatlarida yechimga ega bo’lmaydi? A)α=2 B)α≠1 C)α=3 D)α≠2
A) 4,5 B)0,45 C)4,9 D)4,2
A) -6α+2 B)18α2-6α C)9α2-3α D) -3α+2
10 . Kvadratning perimetri 20% ga uzaytirilsa , uning yuzi necha % ga kamayadi?
A) 20 B)25 C)40 D)44
Agar x1 va x2 9x2+3x-1=0 tenglamaning ildizlari bo’lsa, ning qiymatini toping. A)-1 B)1 C)2 D)3
Amallarni bajaring. A) 1 B)6 C) d)5
№13. Berilgan tenglikdan b ni toping: A) B)1,75 C)2 D)5
№14. Yo’lning birinchi qismida turist soatiga x km tezlik bilan x soat yurdi. Ikkinchi qismida tezligini 7 km/soatga, vaqt esa 4 soatga oshirildi. Umumiy bosib o’tilgan yo’lni ifodalovchi x ga bo’g’liq ifoda tuzing.
A) B) C) C)
№15. 11 ta sigir 6 kunda 7 chelak suv ichadi. 3 ta sigir 330 kunda necha chelak suv ichadi?
A)70 B)98 C)105 D)to’g’ri javob yo’q
№16. Soddalashtiring :
A) B) C) D)![](data:image/png;base64,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)
№17. Hisoblang: A)8 B)4 C)2 D)1
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