Răspuns :
Răspuns:
31:3=9 rest 4
42:2=21(nu are rest)
61:3=2 rest 1
68:2=34 nu are rest
80:4=2 rest 0
89:9=9 rest 8
95:3=31 rest 2
99:9=11 nu are rest
Răspuns:
31:3=10 rest 1
42:4=10 rest 2
61:3=20 rest 1
68:2=34
80:4=20
81:2=40 rest 1
89:9=9 rest 8
91:3=30 rest 1
95:3=31 rest 2
99:9=11