7-sentabr 1-nazorat ishi


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7-sentabr 1-nazorat ishi

I variant



  1. Amallarni bajaring: 1) 2)

  2. Harfiy ifodaning qiymatini toping: bunda b=3,4

  3. Gramlarda ifodalang: 1) 2kg 3gr= 2) 3 st 20kg 150gr=

  4. Tenglamani yeching, javobni tekshiring: 85-x=32

  5. Nodira bir son O‘yladi. Unga 25 ni q o‘shdi. Natijaga yana 33 ni q o‘shib 72 ni hosil qildi. Nodira dastlab qanday son O‘ylagan?

II variant

  1. Amallarni bajaring: 1) 2)

  2. Harfiy ifodaning qiymatini toping: bunda b=4,5

  3. Gramlarda ifodalang: 1) 7kg 300gr= 2) 1 st 13kg 230gr=

  4. Tenglamani yeching, javobni tekshiring: x-35=18

  5. Akbar bir son O‘yladi. Unga 19 ni q o‘shdi. Natijadan 41 ni ayirib 53 ni hosil qildi. Akbar dastlab qanday son O‘ylagan?

Test #1


  1. B o‘linmani hisoblang: 131242 ׃ 311= A) 4022 B) 422 C) 42 D) 22

  2. Amallarni bajaring: (31 • 36 + 31 • 64) : 25 + (16 • 53 – 16 • 23) : 48 A)124 B)134 D)144 E)100

  3. Tenglamani yeching: 1000 – ( 585 + z) = 300 A) 115 B) 110 C) 120 D)125

  4. Tenglamani yeching: (91 +11x) • 72 = 73 • 112 A) 69 B) 65 C) 63 D) 61

  5. Tenglamani yeching: x + 2x + 3x = 11 • 72 A) 122 B) 110 C) 100 D) 132

  6. Berilgan son * ning qaysi qiymatlarida 3 ga b o‘linadi: 36*22 A) 2 B) 5 C) 8 D) barcha javoblar t o‘ g‘ri

  7. 144+39+3*658 ifodaning natijasi uchun quyidagilardan qaysi fikrlar t o‘ g‘ri: A) Natija 2 ga qoldiqsiz b o‘linadi B) Natija 5 ga qoldiqsiz b o‘linadi C) Natija 3 ga qoldiqsiz b o‘linadi D) Natija 10 ga qoldiqsiz b o‘linadi

  8. Son murakkab son b o‘lishi uchun qanday shart bajarilishi kerak? A) Kamida 3ta b o‘luvchiga ega b o‘lishi kerak B) juft son b o‘lishi kerak C) Toq son b o‘lishi kerak D) 0dan farqli barcha sonlar murakkab sonlardir

  9. 12 va 24 ning umumiy b o‘luvchilar soni nechta A) 5ta B) 6ta C) 12 ta D) 20ta

  10. 12 va 18 ning umumiy b o‘luvchilar yi g‘indisi? A) 12 B) 10 C) 16 D) 18

  11. O‘zaro tub sonlar deb qanday sonlarga aytamiz? A) K o‘paytmasi 1 ga teng b o‘lgan sonlarga O‘zaro tub sonlar deyiladi B) Yi g‘indisi 0 ga teng b o‘lgan sonlarga O‘zaro tub sonlar deyiladi C) 1dan boshqa umumiy b o‘luvchisi b o‘lmagan sonlarga O‘zaro tub sonlar deyiladi D) Barcha javoblar t o‘ g‘ri

  12. Ikkala sonni k o‘paytmasi 48, EKUBi 2 ga teng b o‘lsa EKUKni hisoblang A) 24 B) 12 C) 36 D) 20

  13. Tenglamani yeching: = 8 A)35 B) 28 C) 49 D) 32

  14. Kasrni qisqarmas kasr k o‘rinishiga keltirish uchun surat va mahrajni qaysi songa b o‘lishimiz kerak A) 66 B) 22 C) 11 D) 33

  15. Ikkita kasr sonning suratlari teng b o‘lsa … A) Mahrjari kichigi katta b o‘ladi B) Mahraji kattasi katta b o‘ladi C) Bu kasrlar teng b o‘ladi D) Bu holatda taqqoslashning iloji y o‘q

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Javob














































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Testni ishladi: _______________________

T o‘ g‘ri javob: ______ ta O‘zlashtirish: ______%

Test #2


  1. Hisoblang: 0,86 + A) 0.91 B) C) 0.92 D) A va B javoblar

  2. Taqqoslang: a=0.81 b=0.799 c= A) a>b>c B) b>a>c C) c>a>b D) a>c>b

  3. 7,3 va 9,2 o‘nli kasrlar orasida joylashgan natural sonlarni toping:

A)8, 9 B)5, 7, 3, 9

C)7, 3, 2, 9 D)6, 7, 8, 9



  1. Kasrlarni kamayib borish tartibida joylashtiring: a = 0,6, b = , c = A)c>a>b B)a>c>b C)b>c>a D)b>a>c

  2. 4*18,7<4521,6 Yulduzcha o‘rniga nechta son q o‘ysa, tengsizlik t o‘g‘ri b o‘ladi?

A)4 B)5 C)6 D)7

  1. Hisoblang: 83,201-3,201+9,05-18,05 A) 71 B) 70 C) 81 D) 80

  2. Tenglamani yeching: 23,19 − (31,80 − x) = 1,99 A) -10.6 B) 10.6 C) 10 D) -10

  3. K o‘paytma natijasidan 10marta katta sonni toping: 15,6∙4,5 A) 70.2 B) 7.02 C) 702 D) 7200

  4. O`nli kasrlar ustida to`rt amalga doir mashqlar: (3,4:17+17:3,4)∙8,7-17,25:15 A) 44.09 B) 44 C) 40 D) 40.09

  5. Akbar 15 yoshda Ali undan 3 yosh katta. Sarvar Alidan 9 yosh kichik. Ularning yoshlarini O‘rta arifmetigini toping A) 12 B) 14 C) 15 D) 13

  6. Hisoblang: 0.1(12)+3.2(1) A) 3 B)3 C) 3 D) 3

  7. Songa uning 1% i q o‘shilsa, 101 hosil bo‘ladi. Shu sonni toping: A) 99 B) 98 C) 50 D) 100

  8. 120 sonining 66 % i uning qismidan necha marta katta b o‘ladi? A) 3 marta B) 2 marta C) 4 marta D) teng

  9. Sonning 12% i 18 ga teng. Shu sonning A) 120 B) 150 C) 200 D) 250

  10. Agar a sondan uining 60 % ini ayirilsa, 40 qoladi. Shu sonni toping A) 100 B) 60 C) 40 D) 80

  11. HIsoblang: A) 15 B)17 C)16 D) 18

  12. Sarvar O‘zining kitoblarini lotin alifbosidagi barcha 26 harfni ishlatib 3harfli kod bilan “raqamlab” chiqdi: AAA, AAB, AAC, … , AAZ, ABA, ABB, … Agar uning kitoblari soni 32 ta b o‘lsa oxirgi kitobni kodini toping A) ABF B) ABE C) ADA D) ADE



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Javob




















































Ball




















































Testni ishladi: _______________________

T o‘ g‘ri javob: ______ ta O‘zlashtirish: ______%



Test #3

  1. Ratsional ifodani yechimini toping: A) -2 B) 2 C) D)

  2. Qavslarni ochib, O‘xshash xadlarni ixchamlang. Bnda a=0.5 b=2 -(4a + 3,1b) - 5,2a –( 6 – 3,4b) A) 10 B) 11 C) -10 D) -11

  3. Tenglamani yeching: A) -4 B) -4.4 C) -4.2 D) 4.4

  4. Tenglamani yeching: (4 – 2y) - (5 – 3y) = (y - 1) - (y - 8) A) 8 B) -8 C) 7 D) -7

  5. Algebraik ifodani son qiymatini toping:, bunda A)2.25 B)2 C)-3.25 D)3.25

  6. Qavslarni oching: a - (b +(c – (d - k))) A) a-b-c+d+k B) a+b-c+d-k C) a-b-c+d-k

D) a-b+c+d+k

  1. Tenglamani yeching: A) 5 B) 0.6 C) 6 D) 0.5

  2. Sonlarni daraja shaklida yozing: A) a20 B) a27 C) a25 D) a23

  3. Ifodani daraja shaklida yozing: A) b8n+1 B) b8n-1 C) b4n-1 D) b4n

  4. Birhadlarni k o‘paytiring: A) -4a10b10 B) -4a10b11 C) -4a9b10 D) -4a10b9

  5. K o‘phadlarni soddalashtiring va uni son qiymatini toping: A) -186 B) 186 D) 168 C) -168

  6. Agar B = 2a2 – 3ab + 4b2, C = - 4a2 + 2ab + 3b2, bo`lsa B – C = ? A) 2a2 – 3ab + 4b2 B) 6a2 – 5ab + 4b2 C) 6a2 – 5ab + b2 D) a2 – ab + b2

  7. K o‘paytuvchiga ajrating: A) (x2-y)(a+b-c) B) (x2-y)(a-b-c) C) (x2-y)(a-b+c) D) (x2+y)(a-b-c)

  8. Ifodani soddalashtiring: A) 4x2-12x-4 B) 4x2-12x+4 C) 4x2+12x-4 D) 4(x2-4x-1)
  9. Ifodani ikki had k o‘paytmasi shaklida tasvirlang: a2 – 5ap2 + p4 A) (a-2.5p2)2 B) (a-2.5p)2 C) (a+2.5p2)2 D) (a-2.5p2)2

Ifodani ikki had k o‘paytmasi shaklida tasvirlang: 9b6 + 24b3c2 + 16c4 A) (-3b3-4c2)2 B) (3b3-4c2)2 C) (-3b3+4c2)2 D) -(3b3+4c2)2


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