简单的考验
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User
Solved Total Time
#1 a×b问题
#1 Penalty (Minutes)
#2 小白必做
#2 Penalty (Minutes)
#3 正方形的面积（特简单！）
#3 Penalty (Minutes)
#4 长方形的面积（特简单！）
#4 Penalty (Minutes)
#5 三角形面积
#5 Penalty (Minutes)
#6 梯形面积
#6 Penalty (Minutes)
#7 结业考试
#7 Penalty (Minutes)