现有数值如下:-151,-150,10,74,-89,-315,-98,71,-43,90,-131,133,-122,-80,52,20,-31,-72,22,28,104,60,-45,11,-18,-220,73,-13,36,238,108,-28,54,3,-52,140,11,-10,-125,0,-219,-16,12,-120,18,93,34,133,55,27,-87,17,-133,-74,28,-103,-90,53,6,28,88,-75,239,-96,149,4,189,50,-19,90,-128,-157,-49,-28,55,-221,217,-54,174,204,86,44,101,-118,37,25,24,-118,94,-44,-90,-74,51,-74,131,176,-52,-88,13,-65将其转为20行5列的矩阵,对其每行内容求和,筛选出求和列中大于等于50%分位的所有行,则这些行中所有数值的总和是多少?计算过程中所有数据位浮点数,保持2位小数!