Solve.
| 1 a. |
0 + 40 + 800 + ____________ = 7840
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| 1 b. |
500 + ____________ + 9000 + 5 = 9515
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| 2 a. |
30 + 9 + _________ + 2000 = 2739
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| 2 b. |
____________ + 40 + 0 + 9000 = 9044
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| 3 a. |
____________ + 10 + 300 + 4000 = 4310
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| 3 b. |
_________ + 70 + 1000 + 8 = 1978
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| 4 a. |
8 + 200 + 8000 + ____________ = 8208
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| 4 b. |
7 + ____________ + 900 + 3000 = 3957
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| 5 a. |
____________ + 70 + 4000 + 2 = 4472
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| 5 b. |
9 + 50 + 900 + ____________ = 7959
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| 6 a. |
9000 + ____________ + 90 + 9 = 9799
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| 6 b. |
_________ + 800 + 70 + 2 = 1872
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| 7 a. |
2 + 800 + ____________ + 20 = 5822
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| 7 b. |
5 + 90 + 800 + _________ = 2895
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| 8 a. |
500 + 50 + 5000 + ____________ = 5556
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| 8 b. |
6 + 6000 + 600 + ____________ = 6686
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