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5下A 第三課︰小數加減混合計算

Authored by 電子學習平台數學 電子學習平台數學

Mathematics

5th Grade

Used 3+ times

5下A 第三課︰小數加減混合計算
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

15.9 - 4.3 -1.8 + 5.2 =

4.6

15

17.6

18.6

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

6.3 - (1.5 + 3.8) =

1

4

8.6

11.6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

41 - 19.6 + 4.59 =

17.05

18.05

26.23

27.23

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

在一場 60 米賽跑中,小美用了 12.33 秒跑畢全程,比彩儀慢 2.6 秒。小美比彩儀快 0.05 秒,小薇用了多少秒?

9.68

9.78

14.88

14.98

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

每本中文補充練習售 24.8 元,每本英文補充練習比每本中文補充練習便宜 3.3 元。買中文補充練習和英文補充練習各一本,要付多少元?

21.5

28.1

46.3

52.9

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

魚缸內原有水 3.5 升,倒去 2.8 升後,再注入 3.2 升,魚缸內現有水 _____ 升。

2.9

3.3

3.7

3.9

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

每個椰子售 11.2 元,每個西瓜比每個椰子貴 15.4 元。爸爸付 50 元買了椰子和西瓜各一個,應找回多少元?

12.2

13.2

23.4

24.4

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