Matematika fanidan 7-sinflar uchun 1-variant

Matematika fanidan 7-sinflar uchun test savollari
3-variant
1. b=3, a=-2, c=1,2 bo’lsa, ifodaning son qiymatini toping.
A) -28,8 B) 44 C) -43,2 D) 28,8
2. To’g’ri to’rtburchakning yuzi asosi 16 ga teng. Balandligini toping.
A) 25,75 B) 6592 C) 25,8 D) 26
3. Ifodani soddalashtiring va uning a=2, b=-3 bo’lgandagi son qiymatini toping: 8 (3a – 2b)-4(a-7b)
A) -156 B) -88 C) 76 D) 4
4. Olim d so’mdan 17 ta daftar , c so’mdan12 ta ruchka, k so’mdan esa 5 ta qalam sotib oldi.Jami xaridni hisoblash uchun ifoda tuzing.
A) 34(d+c+k) B) 17d+12c+5k C) 34dck D) 1020dck
5. Ifodaning son qiymatini toping: (-1,3) ∙ (-2,8)+(-2,8) ∙ (-3,7)
A) 6,72 B)-6,72 C) 23,828 D) 14
6. Tenglamani yeching: 10,8 y-7,5=11,8 y-2,5
A) 5 B)-5 C) 6 D) -10
7. Geometriyaning asosiy tushunchalarini ko’rsating.
A) nuqta, kesma, nur B) to’g’ri chiziq, nuqta, tekislik
C) nuqta, tekislik D) tekislik, nuqta, kesma
8. Agar B€AC, Ab=6,8sm, Ac=2 dm bo’lsa, BC ni toping.
A) 4,8 B) 26,8 C) 4,6 D) 13,2
9. Tenglamani yeching: 7x-5+x = x+9
A) 2,3 B) 2 C) 1,75 D) 3
10. O’quvchi bir son o’yladi. Agar unga 4 ni qo’shib, so’ngra 17 ga ko’paytirilsa 289 soni hosil bo’ldi. O’quvchi qanday son o’yladi?
A) 12 B) 6 C) 17 D) 13
11. Teng yonli uchburchakning perimetri 38 sm. Agar uning yon tomoni asosidan 7 sm ortiq bo’lsa, uchburchak tomonlari uzunliklarini toping.
A) 8,15,15 B) 8,8,15 C) 10,3, 17,3, 1,73 D) 6,6,13
12. Xodani 3 bo’lakka arralash uchun 12 minut kerak. Shu xodani 4 bo’lakka arralash uchun necha minut kerak bo’ladi?
A) 24 minut B) 36 minut C) 16 minut D) 18 minut
13. Ifodani soddalashtiring: (8a-b)*p+(8a-b)*p+(8a-b)*p=
A) B) C) D) 3 ∙ (8a - b) - p
14. Xona birliklari qo’shiluvchilari yig’indisi shaklidagi sonni yozing. 7 ∙ 10⁵ + 8 ∙ 10⁴ + 3 ∙10² + 4
A) 7834 B) 78034 C) 780304 D) 78304
15. Hisoblang:
A) 24 B) 32 C)18 D) 72
16. Tenglamani yeching:
A) 36 B) 6¹³ C) 216 D) 36¹³
17. Amallarni bajaring.
A) B) C) D)
18. Soat 10.00 bo’lganda soat va minut millari hosil qilgan burchak necha gradus bo’ladi?
A) 30 gradus B) 20 gradus C) 35 gradus D) 60 gradus
19. Burchak AOC 149 gradus, burchak 2:3 nisbatda bo’luvchi OP nur o’tkazildi. AOB va POC burchaklar necha gradusdan bo’ladi?
20. Qo’shni burchaklardan biri ikkinchisidan 4 marta katta bo’lsa, ularni toping. 21. Ko’phadlarni ko’paytiring:
22. 3 ta to’g’ri chiziq tekislikni eng ko’pi bilan necha qismga ajratish mumkin
23. Ikki to’g’ri chiziq kesishganda 4 ta burchak hosil bo’ldi. Ulardan ikkitasining yig’indisi 130 gradus bo’lsa, unda har bir burchakning gradus o’lchovini toping.
24. O’tmas burchakli uchburchak chizing va uning 3 ta balandligini o’tkazing.
25. Perimetri 36 m ga teng bo’lgan uchburchakning balandligi uni perimetrlari 18 m va 24 m ga teng bo’lgan uchburchaklarga ajratadi. Shu balanlikni toping.