表面积为[img=17x22]18030b04a4652d4.png[/img]而体积最大的长方体的体积为)( )
A: [img=42x48]18030b04ac732f2.png[/img]
B: [img=42x48]18030b04b41d361.png[/img]
C: [img=42x48]18030b04bc7efc9.png[/img]
D: [img=17x46]18030b04c4b2f79.png[/img]
A: [img=42x48]18030b04ac732f2.png[/img]
B: [img=42x48]18030b04b41d361.png[/img]
C: [img=42x48]18030b04bc7efc9.png[/img]
D: [img=17x46]18030b04c4b2f79.png[/img]
举一反三
- 表面积为[img=17x22]18030b040ab7538.png[/img]而体积最大的长方体的体积为( ) A: [img=42x48]18030b04130ae28.png[/img] B: [img=42x48]18030b041be62b8.png[/img] C: [img=42x48]18030b04256c830.png[/img] D: [img=17x46]18030b042f3c0ea.png[/img]
- 表面积为[img=17x22]18030b0522ea372.png[/img]而体积最大的长方体的体积为 A: [img=42x48]18030b052b2a10d.png[/img] B: [img=42x48]18030b05333f7eb.png[/img] C: [img=42x48]18030b053b14416.png[/img] D: [img=17x46]18030b0543432dc.png[/img]
- 求表面积为[img=17x22]18036555b553ff4.png[/img]而体积为最大的长方体的体积是多少? A: [img=44x48]18036555bdafe92.png[/img] B: [img=44x48]18036555c700496.png[/img] C: [img=44x48]18036555cf546a4.png[/img] D: [img=44x48]18036555d86d229.png[/img]
- 随机变量X服从正态分布N(2, 4),其概率密度f(x) = ( ). A: [img=191x60]1802f2ad96fdbf7.png[/img] B: [img=220x63]1802f2ada0bf186.png[/img] C: [img=221x63]1802f2adabac400.png[/img] D: [img=212x57]1802f2adb8ce515.png[/img]
- 随机变量X服从正态分布N(2, 4),其概率密度f(x) = ( ). A: [img=191x60]1802f2aae5be86e.png[/img] B: [img=220x63]1802f2aaefb9a64.png[/img] C: [img=221x63]1802f2aafa6bb41.png[/img] D: [img=212x57]1802f2ab04ebe63.png[/img]