Răspuns :
34+42=76
Verificare:
76-34=42
76-42=36
35-23=12
Verificare:
12+23=35
35-12=23
Verificare:
76-34=42
76-42=36
35-23=12
Verificare:
12+23=35
35-12=23
34+42=76
V: 42+34=76
76-34=42
76-42=34
35-23=12
V: 23+12=35
35-12=23
V: 42+34=76
76-34=42
76-42=34
35-23=12
V: 23+12=35
35-12=23