本课配套习题挑战模式1/5
单选题
难度系数:
1.关于x的不等式-2x+a≥2的解集如图所示,a的值是( )
A: 0 |
B: 2 |
C: -2 |
D: -4 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOacrOmimOaYr+WFs+S6jnjnmoTkuI3nrYnlvI/vvIzlupTlhYjlj6rmiop455yL5oiQ5pyq55+l5pWw77yM5rGC5b6XeOeahOino+mbhu+8jOWGjeagueaNruaVsOi9tOS4iueahOino+mbhu+8jOadpeaxguW+l2HnmoTlgLwu
- 答案:QQ==
6Kej77ya4oi1LTJ4K2HiiaUy77yMPGJyPuKItHjiiaQ8aW1nIHdpZHRoPTIxIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNCLzg0L3JCQUNFMU5yYjQtUnNueWRBQUFCWVpvZ1B6QTkzNy5wbmciPu+8jDxicj7iiLV44omkLTHvvIw8YnI+4oi0YT0wLiA=
本课配套习题挑战模式2/5
单选题
难度系数:
2.若方程2x=4的解使关于x的一次不等式(a-1)x<a+5成立,则a的取值范围是( )
A: a≠1 |
B: a>7 |
C: a<7 |
D: a<7且a≠1 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWFiOaxguWHuuaWueeoizJ4PTTnmoTop6PvvIzlho3moLnmja7kuI3nrYnlvI/vvIhhLTHvvIl477ycYSs155SoYeihqOekuuWHunjnmoTlj5blgLzojIPlm7TvvIzljbPlj6/msYLlh7ph55qE5Y+W5YC86IyD5Zu0Lg==
- 答案:RA==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.如果关于x的不等式(a-1)x<a-1的解集是x>1,那么a的取值范围是( )
A: a>1 |
B: a≥1 |
C: a<1 |
D: a≤1 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOmmluWFiOWvueS4jeetieW8j+e7hOi/m+ihjOWMlueugO+8jOagueaNruS4jeetieW8j+eahOino+mbhueahOehruWumuaWueazle+8jOWwseWPr+S7peW+l+WHumHnmoTojIPlm7Qu
- 答案:Qw==
6Kej77ya55Sx5LqO5LiN562J5byP77yIYS0x77yJeO+8nGEtMeeahOino+mbhuS4unjvvJ4x77yMPGJyPuWPr+efpeS4jeetieWPt+eahOaWueWQkeWPkeeUn+S6huaUueWPmO+8mnjvvJ48aW1nIHdpZHRoPTE4IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZGLzc5L3JCQUNGRk5yYjV1QWVndVZBQUFCTkVMU0t3czc0MC5wbmciPu+8jDxicj7lj6/liKTmlq3lh7phLTHvvJww77yMPGJyPuaJgOS7pWHvvJwxLiA8YnI+5pWF6YCJQy4g
本课配套习题挑战模式4/5
单选题
难度系数:
4.不等式(m-2)x>1的解集是x<,则a的取值范围是( )
A: m≥2 |
B: m≤2 |
C: m>2 |
D: m<2 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOS4jeetieW8j++8iG0tMu+8iXjvvJ4x55qE6Kej6ZuG5pivPGk+eDwvaT7vvJw8aW1nIHdpZHRoPTI0IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNCLzg0L3JCQUNFMU5yYjZEUWVqMnlBQUFCZTEzd2FEMDcwOS5wbmciPu+8jOaNruatpOWNs+WPr+W+l+WIsG0tMuaYr+i0n+aVsO+8jOaNruatpOWNs+WPr+axguW+l23nmoTojIPlm7Qu
- 答案:RA==
6Kej77ya4oi15LiN562J5byP77yIbS0y77yJeO+8njHnmoTop6Ppm4bmmK88aT54PC9pPu+8nDxpbWcgd2lkdGg9MjQgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0IvODQvckJBQ0UxTnJiNkRRZWoyeUFBQUJlMTN3YUQwNzA5LnBuZyI+77yMPGJyPuKItG0tMu+8nDDvvIw8YnI+4oi0be+8nDIuIDxicj7mlYXpgIlELiA=
本课配套习题挑战模式5/5
单选题
难度系数:
5.已知a,b为常数,若ax+b>0的解集是x>,bx-a<0的解集是( )
A: x> |
B: x< |
C: x> |
D: x<− |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNrmF4K2LvvJ4w55qE6Kej6ZuG5piveO+8njxpbWcgd2lkdGg9NiBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9GRi83QS9yQkFDRkZOcmI2YXdfSjNFQUFBQk9OT1Q1d1E4ODEucG5nIj7vvIzlj6/ku6Xop6PlvpdhYueahOWAvO+8jOWGjeS7o+WFpWJ4LWHvvJww5Lit5rGC5YW26Kej6ZuG5Y2z5Y+vLg==
- 答案:Qw==
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