Răspunsuri

2014-03-06T14:51:00+02:00
A+b=60
(a+6)
(b-5)
a+6+b-5=60
a+b=60-6+5
a+b=54+5
a+b=59

Deci noua suma va fi a+b=59
1 1 1
2014-03-06T15:02:32+02:00