一些逻辑训练的谜题:娜塔莎、十二点钟和茶
1179 个评论
>>well, now you know how I got through math class th...
Come on you did already great, much of the arrangement given by you is actually correct, you just need to fix up the proof a little bit.
But you don't need to do it right now, cuz it's quite late on your continent, please sleep and get sufficient relaxation.
