bonsoir
n+ n + 1 + n + 2 = 543
3 n = 543 - 3
3 n = 540
n = 180
180 + 181 + 182 = 543
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bonsoir
n+ n + 1 + n + 2 = 543
3 n = 543 - 3
3 n = 540
n = 180
180 + 181 + 182 = 543