17×(-7)÷(-17)×7等于( ) A: 1 B: 49 C: -7 D: 7
17×(-7)÷(-17)×7等于( ) A: 1 B: 49 C: -7 D: 7
3×5, 5×7, 7×11, 11×13, 13×17, ( ) A: 17×23 B: 17×19 C: 17×21 D: 17×25
3×5, 5×7, 7×11, 11×13, 13×17, ( ) A: 17×23 B: 17×19 C: 17×21 D: 17×25
The new National and International Junior Olympics record was [ ]. A: 18 feet B: 17 feet 6 1/2inches C: 17 feet 7 inches
The new National and International Junior Olympics record was [ ]. A: 18 feet B: 17 feet 6 1/2inches C: 17 feet 7 inches
png的最优值是() A: -2 B: -6 C: -45/4 D: -7
png的最优值是() A: -2 B: -6 C: -45/4 D: -7
对数据序列(26, 14, 17, 12, 7, 4, 3)采用二路归并排序进行升序排序,两趟排序后,得到的排序结果为_________。 A: 14, 26, 17, 12, 4, 7, 3 B: 12, 14, 17, 26, 3, 4, 7 C: 14, 26, 12, 17, 3, 4, 7 D: 14, 26, l2, 17, 3, 7, 4
对数据序列(26, 14, 17, 12, 7, 4, 3)采用二路归并排序进行升序排序,两趟排序后,得到的排序结果为_________。 A: 14, 26, 17, 12, 4, 7, 3 B: 12, 14, 17, 26, 3, 4, 7 C: 14, 26, 12, 17, 3, 4, 7 D: 14, 26, l2, 17, 3, 7, 4
若Uab=-12V,a点电位Ua为5V,则b点电位Ub为()V。 A: 7 B: -7 C: 17 D: -17
若Uab=-12V,a点电位Ua为5V,则b点电位Ub为()V。 A: 7 B: -7 C: 17 D: -17
十、五、三车距离信号,其速度分别不超过()。 A: 17、12、7km/h B: 12、17、7km/h C: 7、12、17km/h D: 17、7、12km/h
十、五、三车距离信号,其速度分别不超过()。 A: 17、12、7km/h B: 12、17、7km/h C: 7、12、17km/h D: 17、7、12km/h
When determining the date of shipment, "on or about June 11th" refer to ( ). A: June 6~17 B: June 6~16 C: June 7~17 D: June 7~16
When determining the date of shipment, "on or about June 11th" refer to ( ). A: June 6~17 B: June 6~16 C: June 7~17 D: June 7~16
17×23-23×7
17×23-23×7
目前公认的植物生长所必需的营养元素有()种,其中微量()种。 A: 17 8 B: 17 7 C: 16 8 D: 16 7
目前公认的植物生长所必需的营养元素有()种,其中微量()种。 A: 17 8 B: 17 7 C: 16 8 D: 16 7