此題若要用代入消去法,應該如何做?
代入消去法

Quiz
•
Mathematics
•
7th - 9th Grade
•
Hard
高 毓婷
Used 5+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
將(1)代入(2)
消去x
將(1)代入(2)
消去y
將(2)代入(1)
消去x
將(2)代入(1)
消去y
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
使用代入消去法,將(1)代入(2),會得到什麼?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
用代入消去法解此方程組,會得到以下哪個式子?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
使用代入消去法,消去y後,得到x=?
8
1
11
-1
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
用代入消去法解此方程組,得到x=?答案寫數字
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
用代入消去法解此方程駔,得到解為何?
答案形式:x=# y=@
8.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
利用代入消去法,解出x=?(答案填數字)
9.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
此題不能用代入消去法
將(1)變成x=-2y+9,就可以代入
將(1)變成x=9+2y,就可以代入
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