Name: ________ Date:_________
Finding the unknown value (A16)
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1
2
+
1
1
=
8
5
2
1
2
+
1
=
3
4
3
5
+
x
=
7
6
6
4
x
+
1
=
18
5
15
5
4
+
x
=
21
5
4
20
6
x
+
2
=
37
6
5
30