本课配套习题挑战模式1/5
单选题
难度系数:
1.
A: a>-3 |
B: -6<a<3 |
C: -3<a<6 |
D: 以上都不对 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5pys6aKY6aaW5YWI6KaB6Kej6L+Z5Liq5YWz5LqOeOOAgXnnmoTmlrnnqIvnu4TvvIzmsYLlh7rmlrnnqIvnu4TnmoTop6M8L3A+
- 提示2:PHA+5qC55o2u6Kej6YO95piv5q2j5pWw77yM5Y+v5Lul5b6X5Yiw5LiA5Liq5YWz5LqOYeeahOS4jeetieW8j++8jOeEtuWQjuaxguWHumHnmoTojIPlm7QuPC9wPg==
- 答案:Qw==
PHA+PGJyPjwvcD48cD48aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjYvREUvckJBQ0UxTU94Zlh6SVJ5QkFBQVdjVURPTWhnNjc4LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yNi9ERS9yQkFDRTFNT3hmWHpJUnlCQUFBV2NVRE9NaGc2NzgucG5nIiBhbHQ9IiIgc3R5bGU9IndpZHRoOiAyNjhweDsgaGVpZ2h0OiAyMjlweDsiPjwvcD4=
本课配套习题挑战模式2/5
单选题
难度系数:
2.
A: 4 |
B: 3 |
C: 2 |
D: 1 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5pys6aKY5Y+v6L+Q55So5Yqg5YeP5raI5YWD5rOV77yM5bCGeOOAgXnnmoTlgLznlKhr5p2l5Luj5pu/77yM54S25ZCO5qC55o2ueO+8nDHvvIx577yeMeW+l+WHumvnmoTojIPlm7TvvIzlho3moLnmja5r5Li65pW05pWw5Y+v5b6X5Ye6a+eahOWAvC48L3A+
- 答案:QQ==
PHA+PGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzA2L0I1L3JCQUNGRk1RWlBtUTVKQllBQUFkMjB2ZzJOSTA3MC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDYvQjUvckJBQ0ZGTVFaUG1RNUpCWUFBQWQyMHZnMk5JMDcwLnBuZyIgYWx0PSIiIHN0eWxlPSJ3aWR0aDogMjQwcHg7IGhlaWdodDogNDkycHg7Ij48YnI+PC9wPjxwPjxicj48L3A+
本课配套习题挑战模式3/5
单选题
难度系数:
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 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOino+aWueeoi+e7hOWIhuWIq+eUqG3ooajnpLp477yMee+8jOWIqeeUqOWFtuS5i+mXtOeahOWFs+ezu+W+l+WIsOacieWFs3jjgIF555qE5LiN562J5byP57uE77yM5rGC5b6X5YW25Y+W5YC86IyD5Zu05Y2z5Y+vLg==
- 答案:QQ==
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
本课配套习题挑战模式4/5
单选题
难度系数:
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 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5YWI5oqKa+W9k+S9nOW3suefpeaVsOihqOekuuWHunjjgIF555qE5YC877yM5YaN5qC55o2ueCt54omlN+WIl+WHuuS4jeetieW8j++8jOaxguWHumvnmoTlj5blgLzojIPlm7TljbPlj68uPGJyPjwvcD4=
- 答案:Qg==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.
A: 4、5 |
B: 5、6 |
C: 6、7 |
D: 以上都不对 |
一次做对,真牛!
+5奖励规则>
- 提示1: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
- 答案:QQ==
PHA+PGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzA2L0JFL3JCQUNGRk1RWnVlaHliSVRBQUFlZDFWNlkzRTgyNy5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDYvQkUvckJBQ0ZGTVFadWVoeWJJVEFBQWVkMVY2WTNFODI3LnBuZyIgYWx0PSIiIHN0eWxlPSJ3aWR0aDogMjY5cHg7IGhlaWdodDogNDcxcHg7Ij48YnI+PC9wPg==