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2017-TSA-9MC1

Authored by Clarence Chen

Mathematics

9th Grade

2017-TSA-9MC1
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45 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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某合金重 2 095 g ,由銅和錫兩種金屬鑄成。其中銅佔重量 78% ,錫佔重量 22% 。下列 哪個數式及所得的值能合理地估算銅在該合金中的重量

3000 g × 0.8 = 2 400 g

3 000 g × 0.2 = 600 g

2 000 g × 0.8 = 1 600 g

2 000 g × 0.2 = 400 g

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪項是正確的?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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某農場飼養了牛和豬,牛有 24 隻,豬的數量有 40 隻。求牛的數量與豬的數量的比。

3:1

3:2

3:5

5:3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

陳老師買了 N 打鉛筆,她取走了 3 枝後,餘下的剛好平均分給 p 位學生,問每位學生可 得多少枝鉛筆? (提示: 一打 = 12枝)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-15

-125

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若 x ≤ y ,下列哪個不等式必定是正確的?

x + 5 ≥ y + 5

5x ≥ 5y

− 5x ≥ −5y

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪幅圖可表示 x > 9 ?

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