file:如果转存不了，点这里查看原因.txt file:百度网盘可以云打印了~单张低至5分，顺丰邮寄到家，详细步骤看本图.jpg file:(4)复合图形的分拆（一）例4.mp4 file:(3)工程问题（二）例3.mp4 file:(2)循环小数例1（上）.mp4 file:循环小数.pdf file:分数计算之换元、通项归纳.pdf file:多次相遇与追及（一）.pdf file:(7)多次相遇与追及（一）超常大挑战.mp4 file:(1)多元一次方程组（二）知识点.mp4 file:(5)共边模型例5.mp4