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1上 3-2 一元一次方程式

Authored by 康軒數位 康軒數位

Mathematics

7th Grade

Used 42+ times

1上 3-2 一元一次方程式
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

步驟一

步驟二

步驟三

 

步驟四

 

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一個方程式的解與0.6x+7=0.3x-0.1的解相同?

6x+7=3x-1

6x+70=3x-0.1

6x+70=3x-1

6x+70=3x-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小芳利用等量公理解一元一次方程式3x-4=x+6,下面是她解題的過程:

3x-4=x+6

(3x-4)-甲=6

乙.x=6+丙

x=丁

則下列哪一個選項是正確的?

甲=6

乙=3

丙=2

丁>乙

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一個選項是方程式36-x÷7=6的解法?

x=6×7+36

x=(36-6)×7

x=(36+6)×7

x=6×(36-7)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知「某數的4倍減去10等於該數的三分之二」,若某數為x,則下列哪一個方程式符合題意?

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知x為整數,則方程式8x+1=5x-10的解為何?

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小勝和家人到電影院看電影,買了2張全票和4張學生票,共花了1540元。設全票每張x元,且學生票每張比全票便宜20元,則依題意可列方程式為何?

2x+4(x+20)=1540

2x+(4x+20)=1540

2x+4(x-20)=1540

2x+(4x-20)=1540

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