Va ifodalarni taqqoslang. A b c d e ni soddalashtiring. A b c d e 3
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7-SINF Olimpiada
1. va ifodalarni taqqoslang. A) B) C) D) E) 2. ni soddalashtiring. A) 2 B) 2 C) D) 0 E) 3. bo`lsa, ko`paytmaga teskari sonni toping. A) B) 12 C) 48 D) 24 E) 4. ni soddalashtiring. A) 1 B) 2 C) D) 2 5. ni hisoblang. A) B) C) 1 D) E) 3 6. ni soddalashtiring A) B) C) D) E) 7. ni qisqrtiring. A) B) C) D) E) 0 8. ni soddalashtiring,so`ng va lar daraja ko`rsatkichlarining yig`indisini hisoblang. A) 2 B) 1 C) 4 D) E) 3 9. ni hisoblang. A) B) C) D) E) 10. ni hisoblang. A) 8 B) 4 C) 10 D) 1 E) 2 11. Agar tenglamaning ildizlaei va bo’lsa, ning qiymati qanchaga teng bo’ladi? A) 1 B) 3 C) 2 D) E) 12. Berilgan to`rtta sonning har biriga 3 ni qo`shib, so`ngra ularning har birini 2 ga ko`paytirib, chiqqach, hosil bo`lgan sonlar yig`indisi 70 ga teng bo`ldi. Berilgan sonlar yig`indisin toping? A) 18 B) 19 C) 23 D) 21 E) 20 13.Arifmetik progressiyaning dastlabki 16 ta hadlari yig’indisi 840 ga,oxirgi hadi 105 ga teng. Shu progressiyaning ayirmasini toping. A) 9 B) 7 C) 15 D) 5 E) 11 14. Nechanchi hadidan boshlab … geometrikprogressiya hadlarining absolute qiymati 0,001 dan kichik bo`ladi? A) 16 B) 12 C) 15 D) 14 E)13 15. Nechanchi hadidan boshlab … geometrikprogressiya hadlarining absolute qiymati 0,001 dan kichik bo`ladi? A) 16 B) 12 C) 15 D) 14 E)13 16. Arifmetik progressiyaning dastlabki to`rtta hadi yig`indisi 124 ga, oxirgi to`rttasiniki 156 ga teng. Progressiyaning hadlari yig`indisi 350 ga teng. Progressiyaning nechta hadi bor? 17. ifoda nechta ratsional koeffitsientli ko`paytuvchilarga ajraladi? 18. 25 ta ketma-ket sonning yig`indisi 1000 ga teng. Bu sonlarning kichigi nechaga teng bo`ladi? 19. bo`lsa, ko`paytmaga teskari sonni toping. 20.Uchburchakning li tashqi burchagiga qo`shni bo`lmagan ichki burchaklarining nisbti 5:4 kabi. Shu ichki burchaklarning kichigini toping. Download 20.19 Kb. Do'stlaringiz bilan baham: |
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