数学极简学习法-畅读网

　　　　

数学极简学习法

作者：李建宇

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数学成绩不好，问题究竟出在哪里？在建宇老师看来，任何学习过程中的困难都有解决方法，尤其是对数学这门讲规律、重逻辑的学科来说，每一处丢分都不存在借口！建宇老师紧扣数学教材、各类考试练习，结合自己18年教出无数中高考满分、140分以上同学的经历，亲授数学高分真相和清华北大学生验证过的核心方法。针对不同情况，也为大家拆解普通学生适用的数学学习方法。跟随建宇老师的数学极简学习法，告别无效努力，实现效率加倍，轻松逆袭高分段！

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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 5 LIMIT 1 [ RunTime:0.001999s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 48 LIMIT 1 [ RunTime:0.002152s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002609s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002775s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1746477560 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.737696s ]

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