a = 78 653; b = 11 241; c = 6 402
a + b - c = 78 653 + 11 241 - 6 402 = 89 894 - 6 402 = 83 492
a + b - c = 83 492
a - b - c = 78 653 - 11 241 - 6 402 = 67 412 - 6 402 = 61 010
a - b - c = 61 010
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b = 2 131; c = 11 202
a - b - c = 63 421
a - 2 131 - 11 202 = 63 421
a = 63 421 + 11 202 + 2 131 → aplic metoda mersului invers
a = 76 754
a + b - c = 76 754 + 2 131 - 11 202 = 78 885 - 11 202 = 67 683
a + b - c = 67 683
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a = 97 785; b = 1 214; c = 85 370
a + b - c = 97 785 + 1 214 - 85 370 = 98 999 - 85 370 = 13 629
a + b - c = 13 629
a - b - c = 97 785 - 1 214 - 85 370 = 96 571 - 85 370 = 11 201
a - b - c = 11 201
