49乘以49加49乘49加49的巧算,
举一反三
- 序列49、38、65、97、76、13、27、49进行一趟冒泡排序后的序列为 A: 、49、38、65、97、76、13、27、49 B: 13、27、38、49、49、65、76、97 C: 38、49、65、76、13、27、49、97 D: 38、49、65、13、27、49、76、97
- The earth is _____ of the moon. A: 49 times the size B: 49 times the large C: 49 times the small D: 49 the size
- The earth is _______ of the moon. A: 49 times the size B: 49 times size C: 49 times as big as that D: 49 times big
- The earth is ______ the moon. A: as 49 times big B: 49 times as bigger as C: 49 times as big as D: as big as 49 times
- 49是7的______倍，49的7倍是______．