Răspuns :
a:b=9 rest 5 a-b=141 a=9b+5 9b+5-b=141 8b +5=141 8b=141-5 8b=136 b=136:8 b=17 a-17=141 a=141+17 a=158 verific 158-17=141 158:17 =9 rest 5
a-b=141
a:b=9, rest 5, adica a=9b+5
Inlocuim sus si avem:a-b=141
9b+5-b=141
8b=141-5=136
b=136/8
b=17
a=141+17
a=158
Verificare:
158/17=9, rest 5
a:b=9, rest 5, adica a=9b+5
Inlocuim sus si avem:a-b=141
9b+5-b=141
8b=141-5=136
b=136/8
b=17
a=141+17
a=158
Verificare:
158/17=9, rest 5