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


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3. Proporsiyaning no’malum hadini toping: 55:x=5:3

4. tenglamani yeching.

5. 120 sonini 4:5:3 kabi nisbatda bo’ling.



6. 61 sonini 1,2,3 va 5 sonlariga teskari proporsional bo’lgan to’rtta qismga ajrating.

7. Ifodaning qiymatini toping


8. ko’paytma nechta nol bilan tugaydi?

9. Hisoblang:



10. Tenglamani yeching:

11. Tenglamani yeching:

12. tenglamani yeching:


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