4年级 / 数学综合练习6 （内容来源：i-LEARN Ace）

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4年级 / 数学综合练习6 （内容来源：i-LEARN Ace）

单元：1-整数与运算；2-分数、小数与百分比
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哪个数目的万位近似值是 40 000？

1 point

30 987

32 643

41 641

46 204

Clear selection

12 500 + 780 − 1 700 =

1 point

13 280

11 580

10 800

10 020

Clear selection

1 400 × 9 ÷ 7 =

1 point

88 200

12 600

1 800

200

Clear selection

1 ⅓ + 2 ⅚ − ½ =

1 point

2 ⅓

2 ⅔

3 ⅓

3 ⅔

Clear selection

420的 ⅚ =

1 point

70

350

700

3 500

Clear selection

4.2 − 1.3 − 0.428 =

1 point

2.9

2.472

2.742

5.928

Clear selection

8 × 0.054 =

1 point

0.432

4.32

43.2

432

Clear selection

5 ÷ 8 =

1 point

0.625

0.58

0.526

0.256

Clear selection

Submit

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