根据下列反应写出 [tex=2.357x1.0]4I/aqHwnTb9Fzopl9bTziQ==[/tex]的结构式。[img=783x199]17a4be297476e90.png[/img]
举一反三
- 写出下列方程式中[tex=2.357x1.0]GonWFziTVhtTNdrpEnQe9w==[/tex]的结构式。[img=512x138]17a66a769e444a4.png[/img]
- 写出下列反应中[tex=2.214x1.0]GDqRR69QH0fbWhE+sDb7Yw==[/tex]的结构式。[img=980x92]17a527bced95f43.png[/img]
- For what values of a and b will [img=746x216]1803474d8173a86.png[/img]be differentiable for all values of x? A: a=3/4, b=9/4 B: a=3/2, b=9/2 C: a=3/4, b=9/2 D: a=3/2, b=9/4
- 图题 3-2(9)所示结构支座反力[tex=2.071x1.214]777yBBrFUDNcsqoBbtaflQ==[/tex][input=type:blank,size:4][/input]kN [img=340x218]179c2700c36536b.png[/img]
- 设随机变量X,Y有D(X)=4, D(Y)=9,[img=91x21]17e447e132da9ab.png[/img],则ρXY = ____