四年级数学单元二

四年级数学单元二

Assessment

Flashcard

Mathematics

1st - 10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

23.06 + 1.7 = 247.6 ÷ ( )

Back

括号内应填上什么数目? 答案是 10.

2.

FLASHCARD QUESTION

Front

一群学生当中,有15%是独生子女。独生子女的学生人数占学生总人数的几分之几?

Back

答案是 \( \frac{3}{20} \) .

3.

FLASHCARD QUESTION

Front

两个数目的商是2.05,除数是10,被除数是?

Back

答案是 20.5.

4.

FLASHCARD QUESTION

Front

3.518 读作?

Back

答案是 三点五一八.

5.

FLASHCARD QUESTION

Front

25.7的数值是___________

Back

答案是 0.7.

6.

FLASHCARD QUESTION

Front

什么是百分比?

Back

百分比是表示一个数占另一个数的比例,通常用%表示。

7.

FLASHCARD QUESTION

Front

什么是分数?

Back

分数是表示部分与整体之间关系的数学表达式,通常形式为 \( \frac{a}{b} \) 。

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