calculează după model

Răspuns:
a) 48:6:4=9:4=2.
28:7:4=4:4=1
54:6:3=9:3=3
50:5:2=10:2=5
b) 63:7:3=9:3=3
56:7:2=8:2=4
24:6:4=4:4=1
21:7:3=3:3=1