📐 Matematika · Tenglamalar · ★☆☆
x + y = 7 va x − y = 3 sistemaning yechimi (x; y) bo'lsa, x · y ni toping.
- A)12
- B)21
- C)7
- D)10
👀 To'g'ri javob va tushuntirishni ko'rish
✓ D) 10
💡 Qo'shsak 2x = 10, x = 5, y = 2; xy = 10.
🎯 Matematikadan o'zingizni sinab ko'ring
DTM formatidagi test, ball va zaif mavzular tahlili — bepul.