Diqqat Javoblar E`lon Qilinadi:
1) 10 sonini shunday ikkita songa ajratingki ularning ayirmasi 5 bo`lsin. Javob: 7.5-2.5=5
2) Qanday 3ta sonning yig`indisi ularning ko`paytmasiga teng?
Javob:1,2,3 va -1,-2,-3
3) Uchi chiqarilmagan qalamning necha yog`i bor? Javob: 8ta