When was Valentine supposedly executed? A: This was on February 14, 269 A.D.. B: This was on March 14, 269 A.D.. C: This was on July 7, 269 A.D.. D: This was on January 14, 269 A.D..
When was Valentine supposedly executed? A: This was on February 14, 269 A.D.. B: This was on March 14, 269 A.D.. C: This was on July 7, 269 A.D.. D: This was on January 14, 269 A.D..
529与478的和是（）。
529与478的和是（）。
十进制数269转换成十六进制数是
十进制数269转换成十六进制数是
十进制数269转换成16进制数为（）。
十进制数269转换成16进制数为（）。
十进制数269转换成十六进制数是10D。( )
十进制数269转换成十六进制数是10D。( )
It was on February 14, 269 A. D. that Valentine supposedly executed
It was on February 14, 269 A. D. that Valentine supposedly executed
478×365-1的值是()。 A: 174473 B: 174469 C: 16729 D: 16723
478×365-1的值是()。 A: 174473 B: 174469 C: 16729 D: 16723
梁的截面为T形，z轴通过截面形心C，其弯矩图如图所示，则（ ）。[img=478x269]17a3d99bdec570f.png[/img]
梁的截面为T形，z轴通过截面形心C，其弯矩图如图所示，则（ ）。[img=478x269]17a3d99bdec570f.png[/img]
《史晨碑》刻于公元()年。 A: 169 B: 269
《史晨碑》刻于公元()年。 A: 169 B: 269
公元（）年罗马帝国灭亡，欧洲奴隶制瓦解。 A: 477 B: 476 C: 475 D: 478
公元（）年罗马帝国灭亡，欧洲奴隶制瓦解。 A: 477 B: 476 C: 475 D: 478