Adevărat sau fals urgent

Răspuns:
1)F 2)F 3)A
Explicație pas cu pas:
1)5/10+8/10+3/10=16/10
(5/10-3/10)+8/10=2/10+8/10=10/10 F
2)5/5-1/5+2/5=4/5+2/5=6/5
5/5-(1/5+2/5)=5/5-3/5=2/5 F
3)7/8-(3/8+3/8)=7/8-6/8=1/8
7/8-3/8-3/8=4/8-3/8=1/8 A