04 近似值_範圍
KG - University
•12 Qs
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04 近似值_範圍
Quiz
•
Mathematics
•
KG - University
•
Medium
Mok Wai莫達威老師
Used 3+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
234 cm 準確至 1cm，最大誤差是多少 ?
Answer explanation
準確至的一半
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
234 cm 準確至 1cm，下限是多少 ?
Answer explanation
量度值 - 最大誤差
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
234 cm 準確至 1cm，上限是多少 ?
Answer explanation
量度值 + 最大誤差
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
23 cm 準確至 1cm，以x cm 表示範圍，則
Answer explanation
23.5 會進位至 24
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
152.638 捨入至 二位小數
Answer explanation
3 之後的 8， 進位成 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
152.638 捨入至 二位有效數字
Answer explanation
由左方數兩位至 5，2 不進位
小心要補 0。
因 15 和 152.638 相差很大
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
152.638 上捨入至 十位
Answer explanation
上捨，要進位
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