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5下A 第 6 課 小數乘法(二) 課後小測

Authored by lai lai Lau

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5下A 第 6 課 小數乘法(二) 課後小測
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10 questions

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1.

FILL IN THE BLANK QUESTION

30 sec • 10 pts

1. 取近似值至兩位小數 (即取至百分位) 3.689 ≈ _______

2.

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30 sec • 10 pts

2. 取近似值至一位小數 (即取至十分位) 89.44 ≈ _______

3.

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30 sec • 10 pts

3. 取近似值至整數 (即取至個位) 79.61 ≈ _____

4.

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30 sec • 10 pts

4. 長方形的闊是 12.3 厘米,長是闊的 1.5 倍,長是 _____ 厘米。

5.

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30 sec • 10 pts

5. 每盒零件重 0.18 公斤,24 盒共重 _____ 公斤。

6.

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30 sec • 10 pts

6. 一箱水蜜桃重 1.69 公斤,19 箱共重 _____ 公斤。

7.

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30 sec • 10 pts

7. 每米絲帶 3.1 元,買絲帶 24.6 米,共需付 _____ 元。(答案取至整數)

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