(6pe10) + (1pe2)*5 + 1pe2 : (2pe5 - 1pe10)+2

Răspuns :

6/10+(1/2)*5+1/2:(2/5-1/10)+2=
3/5+5/2+1/2:(4-1)/10+2=
3/5+5/2+1/2x10/3+2=
3/5+5/2+5/3+2=
numitor comun=30
(6x3+15x5+10x5+30x2)/30=
(18+75+50+60)/30=
203/30