Răspunsuri

2014-11-15T15:21:28+02:00
A+b=4000
a:b=2 r 25
a=2b+25
inlocuim a
2b+25+b=4000
3b=4000-25
3b=3975
b=3975:3
b=1325
a+1325=4000
a=4000-1325
a=2675
proba:2675+1325=4000    2675:1325=2 r 25
2 5 2
2014-11-15T15:22:19+02:00
A+b=4000
a:b=2 rest 25
D=i*c+r=>a=b*2+25=2b+25
2b+25+b=4000
3b=4000-25
3b=3975
b=3975:3
b=1325
a+1325=4000
a=4000-1325
a=2675
Dem 
2675:1325=2 rest 25

2 3 2