10- sinf matematika. IV chora


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А) 1 В) 2 С) 3 D) 5

15. Tenglamani yeching: (х+1)(х+2)(х+3)(х+4)=120

А) х1=6; х2=1 В) х1=7; х2=1 С) х1=6; х2=-1 D) х1=-6; х2=1

16. To’g’ri burchakli uchurhakning balandligi gipotenuzani 2 va 18 ga teng bo’lgan kesmalarga ajratadi. Shu balandlikni toping.



A) 6 B) 6 C) 4 D) 8

17. . Parallelogrammning yuzi 30 ga teng, uning balandliklari esa 4 va 6. Parallelogrammning perimetrini toping.



.

А) 25 В) 15 С) 20 D)30



18. b1=2; q=0,5 bo’lsa b4=? Javob………….

19. Ifodaning qiymatini toping: Javob…………

20. а=64 bo’lganda ni hisoblang. Javob……….

21. tengsizlikning eng kihik butun qiymatini toping. Javob ………..

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