
七上第三次段考複習
Authored by 蔡佩旻 蔡佩旻
Mathematics
7th Grade
Used 1+ times

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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者是錯誤的?
x+x+x+x=4x
x+x+x+5=3x+5
a×a×a=a^3
3又1/8 x=3×1/8×x
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
化簡-(4x+5)-(-2x+3)的結果為多少?
6x-8
-2x-8
-2x-2
6x+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若 x=-2,則下列哪一個式子的運算結果其值最大? (最接近?)
-2(3-2x)
x+3
2x-1
-3(1-2x)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者為一元一次方程式?
3x
x2-1=0
x+y=2
4x+5=4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個運算是正確的?
若-3x=6,則 x=6+3
若-2-x=5,則x=5-2
若-4x=2,則 x=(-4)÷2
若3+x=5,則 3+x-3=5-5。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
方程式 8-3(2x-1)=2-3x 的解為何?
-2
2
-3
3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
解一元一次方程式:
-1
-2
1
2
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