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Java Games: Flashcards, matching, concentration, and word search. |
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Missing numbers
Find the value of X
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| A | B |
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| X + 7 = 12 | 5 |
| 8 + X = 11 | 3 |
| X - 9 = 5 | 14 |
| 10 - X = 6 | 4 |
| X + 9 = 20 | 11 |
| 10 + X = 19 | 9 |
| X - 4 = 8 | 12 |
| 14 - X = 7 | 7 |
| X + 12 = 20 | 8 |
| 8 + X =14 | 6 |
| 1 + X = 16 | 15 |
| X - 3 = 17 | 20 |
| 19 - X =18 | 1 |
| X - 0 = 2 | 2 |
| 30 - X = 30 | 0 |
| X - 5 = 5 | 10 |
| 20 - X = 7 | 13 |
| X + 2 = 18 | 16 |
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