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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