Răspuns:
a)Nr 30
b) nr 25
c) 11, 12, 13.
d) 15, 16, 17, 18, 19,20, 21, 22, 23, 24
Explicație pas cu pas:
a)Nr 30 ( 30 de unitati incepand de la 0 )
b) nr 25 ( 25 de unitati incepand de la 0 )
c) 11, 12, 13.
d) 15, 16, 17, 18, 19,20, 21, 22, 23, 24 ( toate se rotunjesc la 20 )
Ai si desen .
Succes !