2020-12-16 07:37:30 +00:00
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sum({1,3,6})= 10,sum({1,3,8})= 12,sum({1,3,10})= 14,sum({1,3,11})= 15,sum({1,6,8})= 15,sum({1,6,10})= 17,sum({1,6,11})= 18,sum({1,8,10} )= 19,sum({1,8,11})= 20,sum({1,10,11})= 22,sum({3,6,8})= 17,sum({3,6, 10})= 19,sum({3,6,11})= 20,sum({3,8,10})= 21,sum({3,8,11})= 22,sum({3, 10,11})= 24,sum({6,8,10})= 24,sum({6,8,11})= 25,sum({6,10,11})= 27,sum({ 8,10,11})= 29。
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