PEL
发表于 2025-3-21 19:06:25
书目名称Easy as π?影响因子(影响力)<br> http://impactfactor.cn/if/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?影响因子(影响力)学科排名<br> http://impactfactor.cn/ifr/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?网络公开度<br> http://impactfactor.cn/at/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?网络公开度学科排名<br> http://impactfactor.cn/atr/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?被引频次<br> http://impactfactor.cn/tc/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?被引频次学科排名<br> http://impactfactor.cn/tcr/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?年度引用<br> http://impactfactor.cn/ii/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?年度引用学科排名<br> http://impactfactor.cn/iir/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?读者反馈<br> http://impactfactor.cn/5y/?ISSN=BK0301029<br><br> <br><br>书目名称Easy as π?读者反馈学科排名<br> http://impactfactor.cn/5yr/?ISSN=BK0301029<br><br> <br><br>
STRIA
发表于 2025-3-21 23:53:52
http://reply.papertrans.cn/31/3011/301029/301029_2.png
Femine
发表于 2025-3-22 01:18:55
The Derivative,on-vector in 3-space of some particle at the various times t, so that the tip of the vector .(.) (with tail held fixed) describes the trajectory of the particle as the “time”-parameter . varies over . In terms of a coordinate system in 3-space, we have .(.) = (..(.), ..(.), ..(.)) at each . the . ar
NUDGE
发表于 2025-3-22 04:41:38
http://reply.papertrans.cn/31/3011/301029/301029_4.png
欢呼
发表于 2025-3-22 09:09:54
Ian O. Angell,Dimitrios Tsoubelisous (since on supposing the contrary, one obtains a contradiction immediately by counting the pigeons). It might seem unlikely that such a simple idea could be used to obtain nontrivial results, yet.… We begin, as usual, with some standard elementary problems .
清澈
发表于 2025-3-22 13:14:16
http://reply.papertrans.cn/31/3011/301029/301029_6.png
清澈
发表于 2025-3-22 17:26:02
Three-Dimensional Coordinate Geometry,on-vector in 3-space of some particle at the various times t, so that the tip of the vector .(.) (with tail held fixed) describes the trajectory of the particle as the “time”-parameter . varies over . In terms of a coordinate system in 3-space, we have .(.) = (..(.), ..(.), ..(.)) at each . the . ar
带伤害
发表于 2025-3-22 22:01:35
Suppression of Hidden Lines and Surfaces, Chapter 1. The present, final, chapter is devoted to the concept fundamental to mathematical analysis, namely the set ℝ of real numbers. As a preliminary to grappling with the real numbers, we give a precise definition of the rational numbers.
基因组
发表于 2025-3-23 02:43:37
The Pigeonhole Principle,ous (since on supposing the contrary, one obtains a contradiction immediately by counting the pigeons). It might seem unlikely that such a simple idea could be used to obtain nontrivial results, yet.… We begin, as usual, with some standard elementary problems .
ETHER
发表于 2025-3-23 06:05:09
http://reply.papertrans.cn/31/3011/301029/301029_10.png