1上 3-2 一元一次方程式

Quiz
•
Mathematics
•
7th Grade
•
Hard
康軒數位 康軒數位
Used 42+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
步驟一
步驟二
步驟三
步驟四
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個方程式的解與0.6x+7=0.3x-0.1的解相同?
6x+7=3x-1
6x+70=3x-0.1
6x+70=3x-1
6x+70=3x-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小芳利用等量公理解一元一次方程式3x-4=x+6,下面是她解題的過程:
3x-4=x+6
(3x-4)-甲=6
乙.x=6+丙
x=丁
則下列哪一個選項是正確的?
甲=6
乙=3
丙=2
丁>乙
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個選項是方程式36-x÷7=6的解法?
x=6×7+36
x=(36-6)×7
x=(36+6)×7
x=6×(36-7)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知「某數的4倍減去10等於該數的三分之二」,若某數為x,則下列哪一個方程式符合題意?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知x為整數,則方程式8x+1=5x-10的解為何?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小勝和家人到電影院看電影,買了2張全票和4張學生票,共花了1540元。設全票每張x元,且學生票每張比全票便宜20元,則依題意可列方程式為何?
2x+4(x+20)=1540
2x+(4x+20)=1540
2x+4(x-20)=1540
2x+(4x-20)=1540
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