0,641+27,6548+68,89+9,000145+1,6549= a 107,804845 b 92,223315 c 93,0085 d to’g’ri javob yo’q

Test 7-sinf

1. 
   0,641+27,6548+68,89+9,000145+1,6549=
   

A) 107,804845 B) 92,223315 C) 93,0085 D) To’g’ri javob yo’q

2. 
   0,00212121…davriy kasr ko’rinishida yozing.
   

A) 0.00(212) B) 0.(0021) C) 0.00(21) D) 0.(21)

3. 
   Bo‘yi 3,2 cm, eni esa undan uzun emas. To‘g‘ri to‘rtburchakni yuzini quyidagilardan qaysi biriga teng bo’lishi mumkin emas?
   

A) 10,24 B) 10,32 C) 10.15 D) 10,19

4. 
   0,9

A) 45 B) 36 C)55 D)9

5. 
   Tenglamani yeching.
   

A) -4 B) -5 C) 4 D)3

6. 
   Dushanba kuni 7-sinflarda 6 soat dars bo’ladi. Dars jadvaliga bu darslarni ixtiyoriy ketma-ketlikda necha xil turda tartiblash mumkin?
   

A) 120 B) 720 C) 360 D) 36

7. 
   
   

A) 0 B) 2 C) 1 D)4

8. 
   Ifodani soddalashtiring: 7ⁿ⁺⁴∙7^2n-1˸7²ⁿ⁺³
   

A) 7⁶ⁿ⁺⁵ B) 7ⁿ C) 7⁴ⁿ⁺¹ D) 7^3n-1

9. 
   Uzunligi 900m bo’lgan poyezdning tezligi 45m/s bo’lsa ustun yonidan o’tib ketishi uchun qancha vaqt talab qiladi?
   

A) 25s B) 26s C) 20s D) 30s

10. 
    Kubning barcha qirralari yig’indisi 48cm ga teng. Kub sirtining yuzini toping?
    

A) 96cm² B) 24cm² C) 36cm² D) 48cm²

11. 
    2002³+2003² yig’indini oxirgi raqamini toping?
    

A) 5 B) 2 C) 3 D) 7

12. 
    2*8< 258 tengsizlik o’rinli bo’lishi uchun yulduzcha o’rniga qanday raqamlar qo’yish mumkin.
    
13. 
    < A= 97⁰ ; < B= 12⁰ 53^/ bo`lsa
14. 
    To’g’ri to’rtburchakning bo’yi endian ikki marta katta. Agar to’g’ri to’rtburchakning eni 25m, bo’yi 4 m ga uzaytirilsa, uning yuzi 111m² ga ortadi. To’g’ri to’rtburchakning bo’yi va enini toping?
    
15. 
    ∆ABC uchburchakning A va C uchlaridan tushurilgan balandliklari K nuqtada kesishadi. Agar A va C burchaklar mos ravishda 600 va 720 ga teng bo’lsa, AKC burchakni toping.
    

Yozma ish 7-sinf

1. 
   O’quvchiga testda 30 ta masala berildi. To’g’ri javob uchun 7 ball, noto’g’ri javob uchun -12 ball berildi. O’quvchi 77 ball olgan bo’lsa, u nechta masalani to’g’ri yechgan?
   
2. 
   2³ + 3³ + 4³ + ….+8³ + 9³ ni hisoblanng?
   
3.