Răspuns :
Răspuns:
486:2=293
Proba:293×2=483
804:2=402
Proba:402×2=804
638:2=319
Proba:319×2=638
Răspuns:
a.486:2=243
243×2=486
-804:2=402
402×2=804
-638:2=319
319×2=638
Răspuns:
486:2=293
Proba:293×2=483
804:2=402
Proba:402×2=804
638:2=319
Proba:319×2=638
Răspuns:
a.486:2=243
243×2=486
-804:2=402
402×2=804
-638:2=319
319×2=638