2^7:4^3+3^9·27^5:3^20+(3^1·2^4-4^2):2^3
Scriem expresia sub forma exponentiala cu baza 2.
2^7:2^6+3^9·27^5:3^20+(3^1·2^4-4^2):2^3
Scriem expresia sub forma exponentiala cu baza 3.
2^7:2^6+3^9·3^15:3^20+(3^1·2^4-4^2):2^3
Orice expresie ridicata la puterea 1 este egala cu ea insasi.
2^7:2^6+3^9·3^15:3^20+(3·2^4-4^2):2^3
Scriem expresia sub forma exponentiala cu baza 2.
2^7:2^6+3^9·3^15:3^20+(3·2^4-2^4):2^3
Calculam catul.
2+3^9·3^15:3^20+(3·2^4-2^4):2^3
Simplificam expresia.
2+3^4+(3·2^4-2^4):2^3
Reducem termenii asmenea.
2+3^4+2·2^4:2^3
Calculam puterea.
2+81+2·2^4:2^3
Calculam produsul.
2+81:2^5:2^3
Calculam catul.
2+81+2^2
Calculam puterea.
2+81+4
Calculam suma numerelor pozitive.
2+81+4=87
