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0102 3-3 練習

Authored by 許菡容 許菡容

Mathematics

7th Grade

Used 1+ times

0102 3-3 練習
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

小禎買 5 杯咖啡,付 1000 元找 750 元回來,設一杯咖啡 x 元,則依題意可列出下列哪一個一元一次方程式?

1000-5x=750

5+x=750

5x=750

5+x=1000-750

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若某數的 5 倍減 7 等於該數的 2 倍再加 8,則某數是多少?

3

5

7

9

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

比某數大 3 的數是 8,則比此數的 2 倍小 5 的數是多少?

5

10

15

-5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

如圖,相鄰的兩數相加後,填入下方的空格,若 c=12,則 x=?

5

10

15

-5

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

小明全家一起去吃麵,共點了 2 碗乾麵,3 碗湯麵,共付了 165 元,且已知湯麵每碗比乾麵多 5 元,則乾麵每碗多少元?

25

30

35

40

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若將 -6 和 19 各減去一個相同的數之後,所得到新的兩個數恰好互為相反數,則減去的這個數是多少?

3.5

6.5

9.5

12.5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

如表所示,阿丹在做算式求值時有一部分被撕毀,請你幫阿丹求 a 的位置代表何數?

-3

-7/3

-5/3

-1/3

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