8-3+1+2-6+1+6, 8, 9, 7, 6, 7+2-6-3+8-2-1, 5, 4, 3, 2, 4-2+7-3-6+1+5, 6, 5, 7, 8, 9-4+3-6-2+3-2, 3, 2, 4, 1, 1+5+3-6-2+7-2, 8, 7, 5, 6, 3+6-2-1+3-6+1, 5, 3, 4, 6, 3-2+6+1-3+2-5, 1, 2, 3, 4, 8+1-4+3-5-2+8, 8, 5, 6, 9.

Direct Method Exercise 1

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