1上 3-1 代數式的化簡

1上 3-1 代數式的化簡

7th Grade

10 Qs

quiz-placeholder

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1上 3-1 代數式的化簡

1上 3-1 代數式的化簡

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Medium

Created by

康軒數位 康軒數位

Used 48+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

五個連續整數,若設最中間的數為x,則最大的數為何?

x+4

x+3

2x

x+2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小慧帶了一些錢出門,先買了3個單價x元的蛋塔,2杯單價15元的奶茶,後來又借50元給好朋友小茹,結果身上還剩下100元,請問小慧帶了多少錢出門?

(3x+130)元

(x+180)元

(3x+180)元

(3x+80)元

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列各式何者正確?

-8+x=-8x

5+x=5x

x÷2=2x

15×x=15x

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

雞兔同籠,若雞有x頭,兔有5頭,則共有多少隻腳?

(x+5)隻

(2x+20)隻

(2x+10)隻

5x

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪一個敘述可以列式為2x+3?

小康買了2顆粽子和3粒包子;若粽子一顆x元,共需付多少錢?

若每人拿走2顆金棗,還剩3顆,假設共有x人,則原本有多少顆金棗?

小軒有3塊牛舌餅,分給兩個人,一人分到多少塊?

租3部車,最後一部車只坐2人,設每部坐x人,共多少人?

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有一個二位數的十位數字為x,個位數字為3,若在x與3之間插入數字8而成為三位數,則此三位數可用下列哪一個表示?

x+8×10+3×100

x×100+3×100+8

x+3×10+8×100

x×100+8×10+3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

清清與班上其他30位同學參加校外教學活動,活動中買飲料共花了y元,買點心共花了360元,買遊樂券共花了900元,則每個人平均應分攤多少元?

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