Răspuns :
a) /___/___/___/___/
b) /___/___/___/
c) /___/
Rezolvare :
1) 984 : 8 = 123 ( numarul c )
2) 123 x 3 = 369 ( numarul b )
3) 123 x 4 = 492 ( numarul a )
Verificare : 123 + 369 + 492 = 984
b) /___/___/___/
c) /___/
Rezolvare :
1) 984 : 8 = 123 ( numarul c )
2) 123 x 3 = 369 ( numarul b )
3) 123 x 4 = 492 ( numarul a )
Verificare : 123 + 369 + 492 = 984
a |----|
b |---|
c |-|
a+b+c=984
984=c+c×3+c×4=8×c
c=984:8⇒c=123⇒b=123×3=369⇒a=123×4=492
Proba:123+369+492=984=984 ⇒Adevarat
b |---|
c |-|
a+b+c=984
984=c+c×3+c×4=8×c
c=984:8⇒c=123⇒b=123×3=369⇒a=123×4=492
Proba:123+369+492=984=984 ⇒Adevarat