Răspunsuri

2014-10-06T17:18:05+03:00
Fie cele doua nr. x si y cu x>y
x+y=30
x=y+10=>y+10+y=30=>2y+10=30=>2y=30-10=>2y=20=>y=20:2=>y=10
x=10+10=>x=20
5 4 5
2014-10-06T17:18:39+03:00
A+b=30
a=b+10
b+10+b=2b+10=30 \-10
2b=20 \:2
b=10; a=10+10;
a=20
3 3 3