Răspuns :
a+b=2013
a:b=4 rest 3
a=4b+3
4b+3+b=2013
5b=2013-3
5b=2010
b=402
a=4*402+3
a=1608+3
a=1611
a:b=4 rest 3
a=4b+3
4b+3+b=2013
5b=2013-3
5b=2010
b=402
a=4*402+3
a=1608+3
a=1611
a + b = 2013
a : b = 4 rest 3
a = 4b + 3
a ___/___/___/___/ + 3
b ___/
4b + 3 + b = 2013
5b = 2013 - 3
5b = 2010
b = 2010: 5
b = 402
a = 4 * 402 + 3
a = 1608 + 3
a = 1611
a : b = 4 rest 3
a = 4b + 3
a ___/___/___/___/ + 3
b ___/
4b + 3 + b = 2013
5b = 2013 - 3
5b = 2010
b = 2010: 5
b = 402
a = 4 * 402 + 3
a = 1608 + 3
a = 1611