本课配套习题挑战模式1/3
单选题
难度系数:
1.|x-2|>3的解集是
A: (-,-1)(5,+) |
B: (5,+) |
C: (-,-1) |
D: (-,-3)(5,+) |
一次做对,真牛!
+5奖励规则>
- 提示1:IOiuqOiuujxpbWcgd2lkdGg9MzEgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUMvNzQvckJBQ0UxTS1lS2ZRaGN5ZEFBQUJZU1JmMGk0NjU3LnBuZyI+55qE5q2j6LSf
- 答案:QQ==
6Kej5p6Q77yaIC0zJmd0O3gtMuaIlngtMiZndDszPGJyPuKItHjiiIgoLTxpbWcgd2lkdGg9MTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvODkvRjgvckJBQ0ZGTS1lSnJSRDdOb0FBQUJOeGhGUXlBMDc3LnBuZyI+LC0xKTxpbWcgd2lkdGg9MTQgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUMvNzQvckJBQ0UxTS1lS1hSSUh3RkFBQUEtV0hxUFBZMjM0LnBuZyI+KDUsKzxpbWcgd2lkdGg9MTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvODkvRjgvckJBQ0ZGTS1lSnJSRDdOb0FBQUJOeGhGUXlBMDc3LnBuZyI+KQ==
本课配套习题挑战模式2/3
单选题
难度系数:
2.x|x-2|<3的解集是
A: (-1,3) |
B: R |
C: ( -,3) |
D: ( -,-1] |
一次做对,真牛!
+5奖励规则>
- 提示1:IOS7pTDlkowy5Li65YiG5Ymy54K55YiG57G76K6o6K66
- 答案:Qw==
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
本课配套习题挑战模式3/3
单选题
难度系数:
3.|x+3|-|2x-1|<+1的解为
A: x>2或x<- |
B: x<-3 |
C: -3x<- |
D: x>2 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOS7pS0z5ZKMPGltZyB3aWR0aD03IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FDLzcyL3JCQUNFMU0tZUpDd21uSVdBQUFCSkZ1dm9GODk1Ni5wbmciPuS4uuWIhuWJsueCuei/m+ihjOWIhuexu+iuqOiuug==
- 答案:QQ==
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