019概率中等数值题medium
Distinct Ordered Triples With a Modular Sum and a Large Entry
题目
How many ordered triples (a,b,c) of distinct elements chosen from {0,1,2,3,4,5,6,7,8} satisfy a+b+c ≡ 1 (mod 3) and max(a,b,c) > 5?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案
题目
How many ordered triples (a,b,c) of distinct elements chosen from {0,1,2,3,4,5,6,7,8} satisfy a+b+c ≡ 1 (mod 3) and max(a,b,c) > 5?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案