Răspuns:
a)
12:2=6
9:3=3
15:5=3
b)
32:8=4
24:4=6
24:6=4
c)
36:4=9
40:8=5
64:8=8
5)
42:6_42:7= 7>6
48:6_40:8= 8>5
27:3_18:2= 9=9
32:4_24:3= 8=8
63:7_56:8= 9>7
81:9_45:5= 9=9
8)
a=18
b=18:2=9
c=9:3=3
d=(9+3):4=12:4=3
a+b+c+d=>18+9+3+3=33