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初中数学 中考难点 竞赛真题解析 分数化简 想不到就做不到
初中数学重点难点——中考、竞赛真题解析
初中数学中考竞赛经典例题——代数部分285/465
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App01:56![初中数学 中考必会 若[3^(𝑥+1)]^2−3^(2𝑥+1)=162,求𝑥=?](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/df0bffabc41f407c8b0b291c60904daf~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501250040480CC6231749E1C12A1CA0&requestFrom=704&version_code=80402&x-expires=1769272849&x-signature=S0Kega8xxV%2FRI0EfsS8wCX9PUUM%3D)
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