1. Hisoblang:
2. 7/15 qismi 42 ga teng bo’lgan sonni toping
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:
