在等比数列{an}中,a1 =9,q=2,则S6=( ) A: 567 B: -567 C: 279 D: -279
在等比数列{an}中,a1 =9,q=2,则S6=( ) A: 567 B: -567 C: 279 D: -279
167
167
279×2= A: 588 B: 558 C: 858
279×2= A: 588 B: 558 C: 858
257,178,259,173,261,168,263,() A: 275 B: 279 C: 164 D: 163
257,178,259,173,261,168,263,() A: 275 B: 279 C: 164 D: 163
0301 若在区域内解析, 则对内任一简单闭曲线C,。/ananas/latex/p/141771/ananas/latex/p/279/ananas/latex/p/279/ananas/latex/p/141782
0301 若在区域内解析, 则对内任一简单闭曲线C,。/ananas/latex/p/141771/ananas/latex/p/279/ananas/latex/p/279/ananas/latex/p/141782
已知线段AB的方位角为167°,则线段BA的方位角为( )。 A: 167 B: 347° C: 13° D: -13°
已知线段AB的方位角为167°,则线段BA的方位角为( )。 A: 167 B: 347° C: 13° D: -13°
如图梁会发生什么变形?[img=279x167]17e43e33d5a3d84.png[/img] A: 弯曲 B: 拉压+弯曲 C: 扭转+弯曲 D: 其他
如图梁会发生什么变形?[img=279x167]17e43e33d5a3d84.png[/img] A: 弯曲 B: 拉压+弯曲 C: 扭转+弯曲 D: 其他
十进制数167转换成二进制数是
十进制数167转换成二进制数是
To employment in the internet industry has reached 167 million.
To employment in the internet industry has reached 167 million.
The following structural system is:[img=279x167]1803b7fa72c1d55.jpg[/img] A: Stable without redundant restraint B: Instantaneously unstable C: Unstable D: Stable with redundant restraint(s)
The following structural system is:[img=279x167]1803b7fa72c1d55.jpg[/img] A: Stable without redundant restraint B: Instantaneously unstable C: Unstable D: Stable with redundant restraint(s)