4) iti scriu direct raspunsurile :
a)21+9=30
52+48=100
120+130=250
b)26+34=60
42+48=90
60+40=100
c)438+462=900
388+412=800
66+534=590
5)a)4x(35+16)=4x35+3x16
3x(24+19)=3x24+3x19
b)7x9+7x8=7x(9+8)
3x6+3x9=3(6+9)
6)7x6=42 panselute albe
9x6=54 panselute galbene
6x14=84panselute violet
in total sunt : 42+54+84=180de panselute
Coroana ?
