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整数与运算1

Authored by Tan Margaret

Mathematics

6th Grade

Used 1+ times

整数与运算1
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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

整数写出 0.053 百万。

5 300

53 000

530 000

5 300 000

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