Răspuns :
[60-9+(34-16)-24]-{68-46-[(9-7+18]+2}-(10+24)=
60-9+18-[68-46-20]+2-34
60-9+18-4-34=
51+18-4-34=
69-4-34=
65-34=
31
60-9+18-[68-46-20]+2-34
60-9+18-4-34=
51+18-4-34=
69-4-34=
65-34=
31