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【简答题】
符号4d表示电子的主量子数n＝________，角量子数l＝________，此轨道最多有_______种空间取向，最多容纳________个电子。
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反馈参考答案：
举一反三
【简答题】编写程序,求绝对值。输入一个浮点数,输出它的绝对值,保留两位小数。在本题中,请使用双精度浮点数类型。例如,输入-12.3456,输出为12.35。
【简答题】I’d been 16 for six days and was already prepared to deal with failure. I remember when my mum 36 me up that morning, her voice wasn’t as 37 as it usually was. I stayed in bed for a few minutes. I was...
【简答题】输入一个浮点数,输出它的绝对值,保留两位小数。 样例输入:-12.34123 样例输出:12.34
【单选题】Whose message is about the mother's birthday?
A.
Father's.
B.
Sister's.
C.
Brother's.
D.
Electronic card reminder's.
【简答题】根据常识，判断下列句子对(√)错(×)。 ( ) 1. There are six days in a week. ( ) 2. Sunday is the first day of a week. ( ) 3. We often go to school from Monday to Friday. ( ) 4. Mother's Day is the third...
【简答题】绝对值 输入一个浮点数,输出它的绝对值,保留两位小数。
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