Răspuns :
1.Care este primul numar?
(857+343):2=1200:2=600
2.Care este al doilea numar?
857-600=257
(857+343):2=1200:2=600
2.Care este al doilea numar?
857-600=257
I. = |______|____|
II. = |______|
↓
|______|______| = 857-343=514 ⇒ II.= |______| = 514:2=257
I.= |______|____|=257+343 =600
II. = |______|
↓
|______|______| = 857-343=514 ⇒ II.= |______| = 514:2=257
I.= |______|____|=257+343 =600