Cate secole are 20 de decenii?????acuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuummmmmm.

Răspuns :

Răspuns:

Explicație pas cu pas:

1 deceniu = 10 ani

1 secol = 100 ani

20 decenii = 10 × 20 = 200 ani = 2 secole