Răspuns :
a+b=195; a+75=b+40 =} a=b+115
2b+115=195
2b=195-115
2b=80
b=40
a=195-b
a=195-40
a=155
a+b=195
a+75=b+40
a-b=75-40
a-b=25
a+b=195
195-25=170
170:2=85 primul numar
85+25=110 al doilea numar
85+110=195
a+75=b+40
a-b=75-40
a-b=25
a+b=195
195-25=170
170:2=85 primul numar
85+25=110 al doilea numar
85+110=195