Name: ________ Date:_________
Finding the unknown value (A33)
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1
3
+
3
=
5
5
2
2
+
1
=
3
8
3
3
+
x
=
19
4
20
4
x
+
1
=
13
4
20
5
3
+
x
=
1
3
4
5
20
6
x
+
2
=
1
7
6
5
20