Răspuns :
a - b = 443
a = 5b + 3
5b + 3 - b = 443
4b = 443 - 3, 4b = 440, b = 440 : 4
b = 110
a = 553
a = 5b + 3
5b + 3 - b = 443
4b = 443 - 3, 4b = 440, b = 440 : 4
b = 110
a = 553
a-b=443
a:b=5 rest 3
a=? b=?
a |----------|----------|----------|----------|----------|+3|
b |----------| }443.
443-3=440 (4 parti egale)
440:4=110 (b)
110×5+3=550+3=553 (a)
Proba: 553:110=5 rest3.
a:b=5 rest 3
a=? b=?
a |----------|----------|----------|----------|----------|+3|
b |----------| }443.
443-3=440 (4 parti egale)
440:4=110 (b)
110×5+3=550+3=553 (a)
Proba: 553:110=5 rest3.