Răspuns :
468×(468+532)=468×1000=468000
468000-(1000-468)=468000-532=467465
468000-(1000-468)=468000-532=467465
x=468
y=x+532
y=468+532
y=1000
xoriy=468x1000=468000
y-x=1000-468=532
(xoriy)-532=(468x1000)-532=468000-532=467468
y=x+532
y=468+532
y=1000
xoriy=468x1000=468000
y-x=1000-468=532
(xoriy)-532=(468x1000)-532=468000-532=467468