什么是小数?

五年级数学:小数

Flashcard
•
Mathematics
•
5th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
小数是表示部分或分数的数字,通常用小数点分隔整数部分和小数部分。
2.
FLASHCARD QUESTION
Front
小数的加法如何进行?
Back
将小数对齐小数点,然后逐位相加,必要时进位。
3.
FLASHCARD QUESTION
Front
小数的减法如何进行?
Back
将小数对齐小数点,然后逐位相减,必要时借位。
4.
FLASHCARD QUESTION
Front
小数的乘法如何进行?
Back
将小数视为整数相乘,最后根据小数位数调整结果的小数点位置。
5.
FLASHCARD QUESTION
Front
小数的除法如何进行?
Back
将被除数和除数都乘以10的幂,使除数变为整数,然后进行除法运算。
6.
FLASHCARD QUESTION
Front
如何比较两个小数的大小?
Back
从左到右逐位比较,直到找到不同的位数,较大的数为较大小数。
7.
FLASHCARD QUESTION
Front
什么是百分位近似值?
Back
百分位近似值是将小数四舍五入到小数点后两位的值。
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