2020年9月14日
new word
摘要： i can relate visor the late Glenn 阅读全文
posted @ 2020-09-14 15:35 strongdady 阅读(165) 评论(0) 推荐(0)
gilbert strang
摘要： denominator n.(mathematics),number below the line in a fraction, showing how many parts the whole is divided into . numerator : the number above the l 阅读全文
posted @ 2020-09-14 10:53 strongdady 阅读(321) 评论(0) 推荐(0)