3-1 式子的化簡
Authored by 陳 嘉卿
Mathematics
7th Grade
Used 25+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
若哥哥的錢比弟弟的3倍還少20元，設哥哥有x元，則弟弟有幾元？
3x-20
2.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
(5x-2)+(6x+3)=?
-x-5
11x+1
11x-5
-x+1
3.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
2(11x-8)=?
22x-8
11x-16
22x-16
11x+8
4.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
4(-9x-2)=?
-36x-8
-36x-2
-32x-8
-32x+8
5.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
(-2x+9)-(3+6x)=?
4x-6
4x+6
-5x+3
-8x+6
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
7(2x-8)-(4-5x)=?
19x-32
9x+24
19x-60
9x+32
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
2x-5[4x-(x+3)]=?
-13x-3
-13x-15
-13x+15
-13x+3
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