二元二次方程组得解法
8th Grade
•5 Qs
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二元二次方程组得解法
Quiz
•
Mathematics
•
8th Grade
•
Easy
徐亚琼 徐亚琼
Used 7+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在使用加减消元法来解此方程组时，我们可以将y=x+1代入2式得————
x+x+1=13
x+1=13
x-x+1=13
x+x+1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果用代入法解此方程组，用x来表示y，y=x+1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
通常情况下我们可以用代入消元法来解二元二次方程组
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