论文部分内容阅读
概率这部分内容由于问题情境源于生活实际，贴近生活，同学们乐学且易于接受，但这部分内容的新概念较多，相近概念容易混淆，大家感觉易做但易错．下面就同学们易犯错误类型略举数例，进行剖析，仅供参考．
三类事件之间的“纠结”
【摘 要】
：
概率这部分内容由于问题情境源于生活实际，贴近生活，同学们乐学且易于接受，但这部分内容的新概念较多，相近概念容易混淆，大家感觉易做但易错．下面就同学们易犯错误类型略举数例，进行
【机 构】
：
河北
【出 处】
：
中学生数理化：高二版
【发表日期】
：
2004年期
其他文献
Previous work studied a production system including multiple stations (or workshops) consisting of an entry station, a set of workstations, an exit station, and
发展电动汽车产业不仅有利于提高能源安全保障能力、促进节能减排,还有利于促进产业升级。电网企业的参与有利于推动电动汽车产业的发展。运营模式的制定是充换电服务网络构
In this paper the qualitative analysis methods of planar autonomous systems and numerical simu-lation are used to investigate the peaked wave solutions of CH-r
Graphs for the design of networks or electronic circuits are usually weighted and the spectrum of weighted graphs are often analyzed to solve problems. This pap
Linear stability of numerical methods for systems of functional differential equations with a propor
The numerical solution of functional differential equations with a proportional delay is considered. The stability of general linear methods for linear systems
This paper studies the e-ergodicity for discrete-time recurrent Markov chains. It proves that thee-order deviation matrix exists and is finite if and only if th
D structures of velocity and temperature are obtained using the data of P-wave veloc-ity and heat flow in North China (105E—124E, 30N—42N). Taking into accoun
Fluorinated amorphous carbon films (a-C:F) were prepared at different temperaturesusing a microwave electron cyclotron resonance chemical vapor deposition (ECR-
Synthesis and reaction of 16-electron CptRh halfsandwich complexes containing 1,2-dichalcogenolate c
The reactions of [CptRhCl((-Cl)]2 (1) (Cpt = tBu2C5H3) with Li2E2C2B10H10 (E = S, Se) lead to the green 16-electron dichalcogenolate complexes CptRh(E2C2B10H10)
采用量子分子动力学 (QMD)、统计衰变模型 (SDM)和半经验的多模裂变模型方法计算了能量在 2 0 0MeV附近的中能质子入射重核引起裂变的裂变产物质量分布 ,得到了与实验相符合