Răspunsuri

2014-11-14T10:02:07+02:00
X+y=98
x-y=74
________
2x=98+74=172
x=86
y=98-86=12
cred ca glumesti nu este corect raspunsul?
eu am folosit metoda reducerii
Cel mai inteligent răspuns!
2014-11-14T10:07:04+02:00
A+b=98
a-b=74
98-74=24
b=24:2
b=12

a=98-12
a=86

86-12=74
86+12=98