3
x
____________________
=
21
4
x
____________________
=
20
6
x
____________________
=
36
7
x
____________________
=
56
8
x
____________________
=
24
9
x
____________________
=
54
8
x
____________________
=
48
7
x
____________________
=
28
5
x
____________________
=
15
4
x
____________________
=
2
4
