Răspuns :
a+b=898
b+348+b=898
2b+348=898
2b=898-348
2b=550
b=550:2
b=275
a=275+348=623
b+348+b=898
2b+348=898
2b=898-348
2b=550
b=550:2
b=275
a=275+348=623
Metoda grafica
a l----------l+ 348 } suma = 898
b l----------l
898 - 348 = 550 → suma celor doua parti egale
550 : 2 = 275 → ( b)
275 + 348 = 623 → (a )
sau 898 - 275 = 623
Verific: 623 + 275 = 898 ( suma numerelor)
Raspuns: 623, 275
a l----------l+ 348 } suma = 898
b l----------l
898 - 348 = 550 → suma celor doua parti egale
550 : 2 = 275 → ( b)
275 + 348 = 623 → (a )
sau 898 - 275 = 623
Verific: 623 + 275 = 898 ( suma numerelor)
Raspuns: 623, 275