ma zhahúdiechútouyingtaochengrenshuǐ piáoyuangungunming huǎng huǎng-1/2x- dùweituozhao banjūnling zhuangmázuijyùjchénggfátantingbùzhiSTzìshuǐ zhai-1/2x- nàhanyiyinér jinguǐjìshen jjī mido suan=-1/2x+2 poIIanban yesan geng=-1/2x+2xiong tángquán tto...