目录第1讲分数数列计算....................................................................................................................................................1内容概述..........................................................................................................................................................................1典型问题..........................................................................................................................................................................1提高篇...........................................................................................................................................................1拓展篇...........................................................................................................................................................3超越篇...........................................................................................................................................................6第2讲比例解应用题................................................................................................................................................8内容概述..........................................................................................................................................................................8典型问题..........................................................................................................................................................................8提高篇...........................................................................................................................................................8拓展篇.........................................................................................................................................................10第3讲方程解应用题..............................................................................................................................................15内容概述........................................................................................................................................................................15典型问题........................................................................................................................................................................15第4讲浓度问题与经济问题................................................................................................................................22内容概述........................................................................................................................................................................22典型问题........................................................................................................................................................................22第5讲立体几何....................................................................................................................................................28内容概述........................................................................................................................................................................28典型问题........................................................................................................................................................................29提高篇.........................................................................................................................................................29拓展篇.........................................................................................................................................................31超越篇.........................................................................................................................................................34第6讲逻辑推理（二）........................................................................................................................................36内容概述........................................................................................................................................................................36典型问题........................................................................................................................................................................37提高篇.........................................................................................................................................................37拓展篇.........................................................................................................................................................39超越篇.........................................................................................................................................................42第7讲几何综合（一）........................................................................................................................................44内容概述....................................................................................................