Question

Exersez 2. Continuá calculul scris si verifica, electuand proba prin inmultire. ma ajuta cineva rapid ​

Answer 1

Răspuns:

45:2=22 rest 1. 37:2=18 rest 1. 67:4=16 rest 3

4. 2. 4

----. ------. -------

=5. 1 7. 2 7

4. 1 6. 2 4

---. -----------. ---------

1. =. 1. = 3

Proba:

45=22×2+1

45=44+1

45=45 A

37=18×2+1

37=36+1

37=37 A

67=16×4+3

67=64+3

67=67 A