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参考答案:
举一反三
【简答题】解不等式. (1) x+1 x-2 ≤3 (2)x 2 -2ax-3a 2 <0(a<0)
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【单选题】49This morning Microsoft CEO Satya Nadella published a report on his _____ for the company's future.
A.
vision
B.
signal
C.
career
D.
cooperation
查看完整题目与答案
【简答题】解不等式ax 2 +3x>3ax+9.
查看完整题目与答案
【单选题】女,28岁,已婚未孕,进行性痛经。妇科检查:宫颈糜烂Ⅰ度,子宫正常大小,后倾,活动欠佳,附件增厚压痛,直肠子宫凹陷触及2个结节,最可能的诊断是()。
A.
盆腔结核
B.
宫颈癌
C.
慢性盆腔炎
D.
子宫内膜异位症
E.
子宫肌瘤
查看完整题目与答案
【简答题】若不等式x 2 -ax+b<0的解集是{x|2<x<3},求不等式bx 2 -ax+1>0的解集.
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【简答题】(1)解关于x的不等式ax 2 -(a+1)x+1<0. (2)若对于a∈[2,3],不等式ax 2 -(a+1)x+1<0恒成立,求x的取值范围.
查看完整题目与答案
【多选题】Choose the points you have heard.
A.
Denmark is one of the happiest countries in the world.
B.
Most Danish people work part time.
C.
Most Danish people pay high taxes.
D.
Most Danish people enjoy the long winters.
E.
Most Danish people spend a lot on healthcare.
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【简答题】解下列关于x的不等式(组): (1) a 2 x+b> b 2 x+ab ; (2)|2x-1|≤3; (3)|x-4|-|2x-3|≤1; (4)|ax-1|>ax-1; (5) x>a+1 x<2a-1
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【简答题】已知不等式ax 2 -3ax+6>0的解集为{x|x<1或x>b} (1)求a,b的值; (2)解不等式:ax 2 -(2a+b)x+2b<0.
查看完整题目与答案
【多选题】Listen to the recording and check the points you have just heard. [音频]
A.
Denmark is one of the happiest countries in the world.
B.
Most Danish people work part time.
C.
Most Danish people pay high taxes.
D.
Most Danish people enjoy the long winters.
E.
Most Danish people spend a lot on healthcare.
查看完整题目与答案
相关题目:
【简答题】解不等式. (1) x+1 x-2 ≤3 (2)x 2 -2ax-3a 2 <0(a<0)
查看完整题目与答案
【单选题】49This morning Microsoft CEO Satya Nadella published a report on his _____ for the company's future.
A.
vision
B.
signal
C.
career
D.
cooperation
查看完整题目与答案
【简答题】解不等式ax 2 +3x>3ax+9.
查看完整题目与答案
【单选题】女,28岁,已婚未孕,进行性痛经。妇科检查:宫颈糜烂Ⅰ度,子宫正常大小,后倾,活动欠佳,附件增厚压痛,直肠子宫凹陷触及2个结节,最可能的诊断是()。
A.
盆腔结核
B.
宫颈癌
C.
慢性盆腔炎
D.
子宫内膜异位症
E.
子宫肌瘤
查看完整题目与答案
【简答题】若不等式x 2 -ax+b<0的解集是{x|2<x<3},求不等式bx 2 -ax+1>0的解集.
查看完整题目与答案
【简答题】(1)解关于x的不等式ax 2 -(a+1)x+1<0. (2)若对于a∈[2,3],不等式ax 2 -(a+1)x+1<0恒成立,求x的取值范围.
查看完整题目与答案
【多选题】Choose the points you have heard.
A.
Denmark is one of the happiest countries in the world.
B.
Most Danish people work part time.
C.
Most Danish people pay high taxes.
D.
Most Danish people enjoy the long winters.
E.
Most Danish people spend a lot on healthcare.
查看完整题目与答案
【简答题】解下列关于x的不等式(组): (1) a 2 x+b> b 2 x+ab ; (2)|2x-1|≤3; (3)|x-4|-|2x-3|≤1; (4)|ax-1|>ax-1; (5) x>a+1 x<2a-1
查看完整题目与答案
【简答题】已知不等式ax 2 -3ax+6>0的解集为{x|x<1或x>b} (1)求a,b的值; (2)解不等式:ax 2 -(2a+b)x+2b<0.
查看完整题目与答案
【多选题】Listen to the recording and check the points you have just heard. [音频]
A.
Denmark is one of the happiest countries in the world.
B.
Most Danish people work part time.
C.
Most Danish people pay high taxes.
D.
Most Danish people enjoy the long winters.
E.
Most Danish people spend a lot on healthcare.
查看完整题目与答案
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