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A = A + B = 12 -10-7 0 4 -3 B = -7 -4 5 2 3 -1 A = 10 -8-6 0 4 -2 A - B = B = -6 -3 5 9 4 -2 C = 1 3 4 8 6 -5-2 -1 7 D - C = D = -8 5 -6 7 -4 2-3 10 -10 C = 0 2 6 9 5 -7-3 -1 4 2D = D = -8 5 -6 7 -4 2-3 10 -10 A = 2A + B = 10 -8-6 0 4 -2 B = -7 -4 5 2 3 -1 |