GET HELP FOR MATH HW
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/Users/Evangelinezhang/Library/Containers/com.tencent.xinWeChat/Data/Library/Application Support/com.tencent.xinWeChat/2.0b4.0.9/51823b922b5ae98f5647a00af42742f9/Message/MessageTemp/098f85995acf981436d89bbfec361daa/Image/11519544867_.pic_hd.jpg