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六年级奥数：分子加2等于3/10，分母减2等于1/4，求这个分数？
六上数学+奥数82/136
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App03:05![六年级奥数：详细讲解分母是三个自然数相乘的裂项计算[乘1N]](http://p26-sign.bdxiguaimg.com/tos-cn-i-0026/osgftABaEt0BC7AlWtGuSIQbycAHtztQSAhQAA~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=20250309234319756AD73E8840D5E88EB4&requestFrom=704&version_code=80402&x-expires=1773071000&x-signature=2%2BVeIWiWV9XdJEuM2n61vQTWlXM%3D)
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