Răspuns :
156-48=108
108:2=54rate
54+48=102 gaini (reverifica daca am calculat corect)
102+54= 156 capete
108:2=54rate
54+48=102 gaini (reverifica daca am calculat corect)
102+54= 156 capete
a. (___) rate
(___)(___)(___) gaini
___________________________
total 156 capete
156÷4=39 rate
39x3=117 gaini
b.156-48=108 gaini
(___)(___)(___) gaini
___________________________
total 156 capete
156÷4=39 rate
39x3=117 gaini
b.156-48=108 gaini