Răspunsuri

2014-11-09T11:15:49+02:00
A+b=14
a=4b+9
4b+9+b=114
5b=114-9=105
b=105/5=21
a=4b+9=4*21+9=84+9=93

2014-11-09T11:19:29+02:00
A+b=114
a:b=4 r 9
a=b*4+9
a=4b+9
4b+9+b=114
5b=114-9
5b=105
b=105:5
b=21
a+21=114
a=114-21
a= 93