Solve.
| 1 a. |
6.8 + 3.4 + _____ = 13.7
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| 1 b. |
_____ + 7.8 + 8.2 = 18.3
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| 2 a. |
1.9 + _____ + 9.5 = 13
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| 2 b. |
4.1 + 3 + _____ = 16.8
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| 3 a. |
_____ + 5 + 9.9 = 20.9
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| 3 b. |
0 + _____ + 8 = 13.7
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| 4 a. |
2.4 + _____ + 4.2 = 12.6
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| 4 b. |
6.1 + _____ + 0.4 = 15.7
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| 5 a. |
7.4 + 6.3 + _____ = 13.9
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| 5 b. |
_____ + 3.9 + 5.7 = 11.1
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| 6 a. |
5.1 + _____ + 4.9 = 19.9
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| 6 b. |
7.9 + _____ + 8.3 = 24.2
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| 7 a. |
8.9 + _____ + 7.7 = 20.6
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| 7 b. |
_____ + 4.2 + 4.2 = 10.6
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| 8 a. |
4.5 + 7 + _____ = 14.1
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| 8 b. |
8.7 + 9 + _____ = 27.6
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| 9 a. |
0.4 + 2.7 + _____ = 6
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| 9 b. |
3.3 + _____ + 9.1 = 18.5
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| 10 a. |
4.5 + _____ + 9.7 = 22.3
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| 10 b. |
9.0 + 2.0 + _____ = 15.8
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