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3-1一元一次方程式

Mathematics

7th Grade

3-1一元一次方程式
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

魔法阿嬤4年後的年齡恰好是小豆3年前年齡的11倍,且兩人今年的年齡加起來剛好為59歲,則魔法阿嬤今年幾歲?

45
60
38
51

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

媽媽到市場買了6顆蘋果與8顆梨子,共花了242元。若一顆梨子比一顆蘋果貴4元,請問買4顆梨子需要多少錢?

64
76
88
92

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

附圖是月曆的一部分,其中abcd分別表示日期,且abcd=72,則ad=?

a + d = 32

34

a + d = 38

a + d = 36

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

 已知a=7是一元一次方程式-9(3-2a)=15-8k的解,求k=?

(A)

(B)

(C)

(D)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

(A)

(B)

(C)

(D)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者為一元一次方程式20(43-6x)=4-13x的解?

8

5

-5

-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1. 解方程式x-8=-1,利用等量公理化簡,下列哪一步驟開始發生錯誤
步驟一:
x-=-1-8
步驟二:
x=-9
步驟三:3
x=-36
步驟四:
x=-12

步驟一

步驟二

步驟三

步驟四

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