Răspuns :
fie x si y cele 2 numere.
x+y=98
x-y=82
x-y=82 | +y
x=y +82
si atunci inlocuiesti
x+y=(y+82)+y= 2y+82= 98
scazi 82
2y= 98-82=16
y=16/2=8
x=y+82= 8+82= 90
x+y=98
x-y=82
x-y=82 | +y
x=y +82
si atunci inlocuiesti
x+y=(y+82)+y= 2y+82= 98
scazi 82
2y= 98-82=16
y=16/2=8
x=y+82= 8+82= 90