
代數符號_練習2
Authored by Tang Kwan Yuen kytang
Mathematics
5th Grade
Used 3+ times

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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
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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