1. Hisoblang: 7/15 qismi 42 ga teng bo’lgan sonni toping


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13. -5 va 7 sonlari orasida nechta butun son bor

14. Tenglamani yeching:2(x+3)-3(x+2)=5-4(x+1)



15. 81234 sonining oxirgi raqamini toping.

16. ifodaning qiymatini toping

17. ning qiymatini toping


18. sonini 6,7,4 sonlariga mutanosib bo’laklarga bo’lgandagi eng kichik sonni toping.



19. proporsiyaning no’malum hadini toping.

20. 20182019 +20172015 oxirgi raqamini toping.

21. 13*14*15*…*97 ko’paytma nechta nol bilan tugaydi

22. -14,6

23. 14≤x≤18≤tengsizlikda nechta natural son bor.

24. Tenglamani yeching:│-x+3│=0



25. Tenglamani yeching:│-x-3│=6


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19. proporsiyaning no’malum hadini toping.

20. 20182019 +20172015 oxirgi raqamini toping.

21. 13*14*15*…*97 ko’paytma nechta nol bilan tugaydi

22. -14,6

23. 14≤x≤18≤tengsizlikda nechta natural son bor.

24. Tenglamani yeching:│-x+3│=0



25. Tenglamani yeching:│-x-3│=6


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