👤

(2 2/5-1 2/5-1/6):[0,2(3) •10/7+1/2] 2.

Răspuns :

(2 2/5-1 2/5-1/6):[0,2(3) •10/7+1/2]²=
=(12/5-7/5-1/6):(7/30 •10/7+1/2)²=
=(1-1/6):(1/3+1/2)²=
=5/6:(5/6)²=6/5