When was Valentine supposedly executed? A: This was on February 14, 269 A.D.. B: This was on March 14, 269 A.D.. C: This was on July 7, 269 A.D.. D: This was on January 14, 269 A.D..

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2022-06-12 问题

When was Valentine supposedly executed? A: This was on February 14, 269 A.D.. B: This was on March 14, 269 A.D.. C: This was on July 7, 269 A.D.. D: This was on January 14, 269 A.D..

2021-04-14 问题

已知a=(3,4)，b=（5,12），a与b的夹角余弦为（）/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149

2021-04-14 问题

149

2021-04-14 问题

用主析取范式判断下列公式是否等值： (1)(pq)r与q(pr) (pq)r的主析取范式 q(pr)的主析取范式是否等值 (填“是”或“否”) (2)┐(p∧q)与┐(p∨q) ┐(p∧q)的主析取范式 ┐(p∨q)的主析取范式是否等值 (填“是”或“否”)/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149

用主析取范式判断下列公式是否等值： (1)(pq)r与q(pr) (pq)r的主析取范式 q(pr)的主析取范式是否等值 (填“是”或“否”) (2)┐(p∧q)与┐(p∨q) ┐(p∧q)的主析取范式 ┐(p∨q)的主析取范式是否等值 (填“是”或“否”)/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149/ananas/latex/p/149

2022-06-10 问题

149转换成二进制是

2021-04-14 问题

十进制数269转换成十六进制数是

2022-05-30 问题

十进制数269转换成十六进制数是

2022-06-09 问题

十进制数269转换成十六进制数是

2022-06-12 问题

十进制数269转换成十六进制数是

2022-07-28 问题

十进制数269转换成十六进制数是

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