配套习题- 代入法求不等式（组）中字母的取值范围 -【青果学院】

1/5单选题

难度：

1.

A	a＞-3
B	-6＜a＜3
C	-3＜a＜6
D	以上都不对

正确答案：Qw==

PHA+PGJyPjwvcD48cD48aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjYvREUvckJBQ0UxTU94Zlh6SVJ5QkFBQVdjVURPTWhnNjc4LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yNi9ERS9yQkFDRTFNT3hmWHpJUnlCQUFBV2NVRE9NaGc2NzgucG5nIiBhbHQ9IiIgc3R5bGU9IndpZHRoOiAyNjhweDsgaGVpZ2h0OiAyMjlweDsiPjwvcD4=

2/5单选题

难度：

2.

A	4
B	3
C	2
D	1

正确答案：QQ==

PHA+PGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzA2L0I1L3JCQUNGRk1RWlBtUTVKQllBQUFkMjB2ZzJOSTA3MC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDYvQjUvckJBQ0ZGTVFaUG1RNUpCWUFBQWQyMHZnMk5JMDcwLnBuZyIgYWx0PSIiIHN0eWxlPSJ3aWR0aDogMjQwcHg7IGhlaWdodDogNDkycHg7Ij48YnI+PC9wPjxwPjxicj48L3A+

3/5单选题

难度：

3.关于x，y的方程组

的解满足x＞y＞0，则m的取值范围是（）

A	m＞2
B	m＞-3
C	-3＜m＜2
D	m＜3或m＞2

正确答案：QQ==

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

4/5单选题

难度：

4.

已知关于x、y的方程组的解满足x+y≥7，那么k的取值范围是（）

A	k≤2
B	k≥2
C	k＞2
D	k≥3

正确答案：Qg==

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

5/5单选题

难度：

5.

A	4、5
B	5、6
C	6、7
D	以上都不对

正确答案：QQ==

PHA+PGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzA2L0JFL3JCQUNGRk1RWnVlaHliSVRBQUFlZDFWNlkzRTgyNy5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDYvQkUvckJBQ0ZGTVFadWVoeWJJVEFBQWVkMVY2WTNFODI3LnBuZyIgYWx0PSIiIHN0eWxlPSJ3aWR0aDogMjY5cHg7IGhlaWdodDogNDcxcHg7Ij48YnI+PC9wPg==