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第五章 小数

Authored by bing ting

Mathematics

7th Grade

Used 58+ times

第五章 小数
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10 questions

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1.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

将小数化为最简分数 3.0005 \frac{ }{ }  

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

将分数化为小数 2 ⅚ (小数三位)

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

计算 33.573-44.8+0.6 (准确至小数2位)

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

计算 (9.99-0.2)÷ 0.3 × ⅓ (准确至小数2位)

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

求0.0888的近似值 (准确至三位小数)

0.088

0.089

0.098

0.080

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求0.082560的近似值。(取三个有效数字)

0.082

0.083

0.0825

0.0826

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以科学记数法表示0.00052897,准确至三个有效数字的近似值。

5.29 x 10 -4

5.28 x 10 -4

5.29 x 10 4

5.28 x 10 4

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