Numește orele antemeridian (a.m.)Și
Postmeridian (p.m.)indicate de ceasuri.

Răspuns:
Explicație pas cu pas:
8:30 (a.m)
20:30 (p. m)
__________
8 : 45 (a.m)
20 : 45 (p. m)
___________
10:20 (a.m)
22:20 (p. m)
______________
1 : 40 (a.m)
13 : 40 (p. m)
Răspuns:
Explicație pas cu pas:
Ceasul 1
8:30 (a.m)
20:30 (p. m)
Ceasul 2
8 : 45 (a.m)
20 : 45 (p. m)
Ceasul 3
10:20 (a.m)
22:20 (p. m)
Ceasul 4
1 : 40 (a.m)
13 : 40 (p. m)