若魔法阿嬤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?

3-1一元一次方程式

Quiz
•
Mathematics
•
7th Grade
•
Hard
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
林媽媽到市場買了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?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖是月曆的一部分,其中a、b、c、d分別表示日期,且a+b+c+d=72,則a+d=?
a + d = 32
34
a + d = 38
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
(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?
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
步驟三:3x=-36
步驟四:x=-12
步驟一
步驟二
步驟三
步驟四
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