数学高二考试题 新出的题找不到答案啊 求准确答案(卷子是别人的,写的都不对)
如题所述
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/14ce36d3d539b6000e8d1ac7ee50352ac65cb77a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
正解如上,望采纳
追问麻烦麻烦 那个问题~
求步骤~
追答![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5882b2b7d0a20cf4739ce3af71094b36acaf99b5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/11385343fbf2b211a621983ecd8065380cd78eb6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9f2f070828381f30021790d9ae014c086e06f0b0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追问谢谢~
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...题啊!我实在是找不到!(单纯的有答案的有点过程的)答:判断题1.已知关于X的不等式组:X-A≥0 的整数解共有5个,则A的取值范围是 3-2X>-1 (). 2.若不等式组2X-A<1 的解集为-1<X<1,那么(A+1)(B-1)的值等于 X-2B>3 (). 3.当A>0,B>0时,不等式组 X<A 的解集为X<-B( ). 2.设a,b,c为实数,且|a|+a=0,|ab|=ab,|c|-c=0,求...