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國中數學一下1-1

Authored by 康軒 國中

Education

7th Grade

10 Questions

Used 31+ times

國中數學一下1-1
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小玉的撲滿中有50元硬幣x個,10元硬幣y個,則下列何者錯誤?

撲滿中50元硬幣共值50x元
硬幣共有(x+y)個
撲滿中10元硬幣共值10y元
撲滿中共有(10x+50y)元

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小玲身上有(100x+10y)元,請問下列敘述何者正確?

小玲身上有x張100元鈔票和y張500元鈔票
小玲身上有x張100元鈔票和y個10元硬幣
小玲身上有x個10元硬幣和y個5元硬幣
小玲身上有x個10元硬幣和y張100元鈔票

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小萍去郵局買了x張5元的郵票和y張12元的郵票。下列敘述何者錯誤?

買5元的郵票共花去5x元
共買(x+y)張郵票
小萍共花去(12x+5y)元
買12元的郵票共花去12y元

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

柯南原有500元,如果他在日本料理店買單價為40元的茶碗蒸x碗,又買了單價30元的手捲y個,那麼他剩下多少元?

40x+30y
500-40x+30y
500-40x-30y
500-70xy

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

父現年x歲,子現年y歲,則5年後,父子年齡和為多少歲?

x+y
x+y+5
x+y+10
5xy

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(4x-2y)-(2x-2y)經化簡後,可表示為下列何式?

2x-4y
2x
6x-4y
6x

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知長方形的長為x公分,寬為y公分,且周長為30公分,則依題意可列出下列何者?

x+y=30
2(x+y)=30
x×y=30
x×y=15

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