Solve.
| 1 a. |
5 + 40 + _________ + 3000 = 3345
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| 1 b. |
9 + 700 + 3000 + _________ = 3799
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| 2 a. |
7 + ____________ + 500 + 30 = 6537
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| 2 b. |
10 + 5 + 700 + _________ = 2715
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| 3 a. |
5000 + 300 + ____________ + 0 = 5330
|
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| 3 b. |
6 + 20 + ____________ + 5000 = 5626
|
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| 4 a. |
70 + 2 + ____________ + 4000 = 4672
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| 4 b. |
1 + _________ + 600 + 50 = 2651
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| 5 a. |
_________ + 300 + 40 + 7 = 1347
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| 5 b. |
____________ + 100 + 7000 + 0 = 7102
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| 6 a. |
____________ + 200 + 7000 + 60 = 7264
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| 6 b. |
70 + 5 + 200 + _________ = 1275
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| 7 a. |
_________ + 70 + 900 + 1000 = 1971
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| 7 b. |
900 + 90 + 5000 + ____________ = 5997
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| 8 a. |
3000 + _________ + 0 + 9 = 3009
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| 8 b. |
2 + _________ + 100 + 3000 = 3142
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