
第五章 小数
Authored by bing ting
Mathematics
7th Grade
Used 58+ times

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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
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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