Question

Ajutor pls dau coroana​

Answer 1

Răspuns:

Explicație pas cu pas:

a) (1,5+4/√6-√24/3)·1/2+(5/6+2√6/3):1/3=

(15/10+4√6/6-2√6/3)·1/2+(5/6+2√6/3)·3=

(3/2+2√6/3-2√6/3)·1/2+5·3/6+2·3√6/3= 3/2·1/2+5/2+2√6=(3/4+5·2/4+4·2√6)/4= 3/4+10/4+8√6/4=(13+8√6)/4

b) 0,(3)-(42/2√7-0,(6)√7·3-√63)·1/√7=

3/9-(42/2·√7·√7-0,(6)√7·3/√7-3√7/√7)=1/3-(42/2·7-0,(6)·3-3)=

1/3-(3-6·3/9-3)= 1/3-(3-2-3)=1/3-(-2)=1/3+2=1/3+6/3=7/3