Cevap:
1.1/5
Açıklama:
1/2-(1/5+1/4)+(1/2-1/4)-3/2=
1/2-(4+5)/20+(2/4-1/4)-3/2=
1/2-9/20+1/4-3/2=
10/20-9/20+5/20-30/20=
24/20=6/5= 1.1/5 ( 1 tam 1/5)
BAŞARILAR