Question

efectuati operatiile urmatoare, tinand cont de semnificatia parantezelor:
[(abc•abc•abc)la puterea 2:(abc•abc) la puterea 2+(abc)•(abc)]:abc

URGEEENT, DAU COROANA

Answer 1

[(abc^3)^2 : (abc^2)^2 + abc^2] : abc =

(abc^6 : abc^4 + abc^2) : abc =

(abc^2 + abc^2) : abc =

abc^2•(1+1) : abc =

abc•2 =

2abc