Question

daca a+b=2570,atunci (a+300)+(b-300)=2570 daca a-b=1285,atunci(a-236)-(b-236)=1285 sunt adevarate

Answer 1

(a+300)+(b-300)=(a+b)+(300-300)=a+b=2570

(a-236)-(b-236)=(a-b)-(236-236)=a-b=1285