Alinneagoe Alinneagoe 25-11-2021 Matematică a fost răspuns 2. Efectueaza calculele : a) radical 2 + radical 2 ; b) 2 radical 5 + 3 radical 5 : c) radical 3 + ( - radical 3 ) ; d) radical 5 - radical 5 ; e) 7 radical 7 - 2 radical 7 ; f) radical 6 - 3 radical 6 ; g) radical 6 + 2 radical 6 + 3 radical 6 ; h) 4 radical 10 - 3 radical 10 - 3 radical 10 ; i) 4 radical 2 + ( - 3 radical 2 ) + ( - 5 radical 2 ) ; j) 2 radical 3 - ( - 3 radical 3 ) - ( - 4 radical 3 ) ; k) 8 radical 5 - radical 5 - radical 5 . 3. Efectuati calculele , apoi aproximati rezultatul cu doua zecimale exacte : a) 5 radical 2 + 7 radical 2 - 10 radical 2 + 3 radical 2 - 4 radical 2 ; b) 9 radical 3 - 7 radical 3 + 5 radical 3 - radical 3 - 7 radical 3 ; c) 4 radical 5 + ( 6 radical 5 - 11 radical 5 ) ; d) - 10 radical 7 - ( 19 radical 7 - 6 radical 7 - 22 radical 7 ).