1
+
1
+
1
+
1
=
4
.
1X4
=
4
.
3
+
3
+
3
+
3
+
3
=
____________________
.
3x5
=
____________________
.
3
+
3
+
3
+
3
+
3
+
3
+
3
=
____________________
.
____________________
=
21
.
4
+
4
+
4
=
____________________
.
____________________
=
12
.
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
=
____________________
.
____________________
=
____________________
.
4
+
4
=
8
.
____________________
=
____________________
.
3
+
3
+
3
=
9
.
____________________
=
____________________
.
4
+
4
+
4
+
4
=
16
.
____________________
=
____________________
.
3
+
3
+
3
+
3
+
3
+
3
=
18
.
____________________
=
____________________
.
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
=
8
.
____________________
=
8
.
4
+
4
+
4
+
4
+
4
+
4
+
4
+
4
+
4
=
36
.
____________________
=
____________________
.
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
=
30
.
____________________
=
____________________
.
