Răspuns :
FIE X,X+18 NUMARUL DE PAPUSI
⇒X+X+18=38
2X=38-18
2X=20
X=20:2
X=10
RASPUNS:VALERIA-28,ALEX-10
⇒X+X+18=38
2X=38-18
2X=20
X=20:2
X=10
RASPUNS:VALERIA-28,ALEX-10
V |-----|+18|
A |-----| } 38.
38 - 18 = 20 ( 2 parti egale)
20 : 2 = 10 papusi ( are Alex)
10 +18 = 28 papusi ( are Valeria)
Verificare : 10 + 28 = 38.
A |-----| } 38.
38 - 18 = 20 ( 2 parti egale)
20 : 2 = 10 papusi ( are Alex)
10 +18 = 28 papusi ( are Valeria)
Verificare : 10 + 28 = 38.