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| Begin at the top by subtracting the 2 numbers that are connected with arrows. The first one is done for you. The last number is given to you as a check. |
| 639 | 441 | 293 | 193 | 140 | ||||
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| 198 | ||||||
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| 1 |
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| Begin at the top by subtracting the 2 numbers that are connected with arrows. The first one is done for you. The last number is given to you as a check. |
| 639 | 441 | 293 | 193 | 140 | ||||
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| 198 | ||||||
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| 1 |