Name: ________ Date:_________
Find the Unknown Numbers(S28)
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1
12092
–
7812
=
2
8172
–
6302
=
3
8
3
0
6
–
2
3
8
4
4
63
–
(
x
+
31)
=
1
5
x
–
(9
×
7)
=
14
6
7
×
(16
–
4)
=
7
x
–
91
÷
7
=
2