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代數符號_練習2

Authored by Tang Kwan Yuen kytang

Mathematics

5th Grade

Used 3+ times

代數符號_練習2
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪道代數式表示「20 減 B」?

A. 20−B

B. B−20

C. 20B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪道代數式表示「r 乘以 18」?

A. r + 18

B. 18r

3.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

上圖中,每架玩具車的重量相同。每架玩具車多少 g?

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

陳老師原有朱古力 75 粒,她把朱古力平均分給 Y 個學生,剛好分盡。每個學生分得朱古力 ______ 粒。

75

Y

75/Y

Y/75

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

家中原有雞蛋 e 隻,媽媽用去雞蛋一打後,家中還餘雞蛋 ______ 隻。

e-12

e+12

e-1

e+1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪道代數式表示「20 減 B」?

20−B

B−20

20B

B/20

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

表姐今年a歲,表妹比她少1歲,

表妹多少歲?

(a−1)歲

a歲

(a+1)歲

(a+2)歲

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