👤
Alexandrualext
a fost răspuns

afla numarul necunoscut
700-50-y-100-150=245

Răspuns :

Miky93
700-300-y=245

400-y=245

-y=245-400

-y=-155

y=155
700-50-y-100-150=245
x=?
650-y-100-150=245
650-y-100=245+150
650-y-100= 395
650-y= 395+100
650-y= 495
y= 650-495
y=  155

Alte intrebari