Question

suma a doua nr. este 857,iar diferenta lor 343.afla cele doua nr.
Rezolva prin metoda grafica
dau 20 puncte

Answer 1

a/..../+343
b/.../
a+b=857

a=b+343
2b+343=857
2b=857-343
2b=514
b=514:2
b=257
a=257+343
a=600

Answer 2

x,y-numere
x+y=857
x-y=345
2y=857-343
2y=514
y=257
x=y+343
x=257+343=600 E 100% corect :D