Iustinaaa94 Iustinaaa94 17-11-2020 Matematică a fost răspuns efectuati (5^17•5^18+7^23÷7^15):(7•7^2•7^5+5^50:5^15) si [(2^10)^8+6^5•3^7+2^3^2]:(2^5)^16+6^12:2^7+2^9] e urgent!! dau coroana!