oblicz niewiadoma liczbe x (83-68)razy x=45 (27+28):x=11 (68-23)razy x =120 (75+25):x=5 x razy(49-24)=100 x:(75-53)=4 x razy(6+19)=75 x razy(66-45)=84
oblicz niewiadoma liczbe x (83-68)razy x=45 (27+28):x=11 (68-23)razy x =120 (75+25):x=5 x razy(49-24)=100 x:(75-53)=4 x razy(6+19)=75 x razy(66-45)=84