
整数与运算1
Authored by Tan Margaret
Mathematics
6th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个数目不是质数?
79
71
69
67
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个数目是质数?
21
51
71
91
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 794 721 的万位近似值是多少?
4 800 000
4 795 000
4 790 000
4 794 000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把 7 420 000 写成百万单位的小数。
0.742 百万
7.420 百万
7.240 百万
0.724 百万
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个数目的千位近似值和万位近似值都是 260 000?
259 370
259 657
260 732
269 842
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪组得到的答案不是质数?
52 – 9
21 + 13
28 - 25
6 + 7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以整数写出 0.053 百万。
5 300
53 000
530 000
5 300 000
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