案例描述学习平均数应用题时,有这样一道题:姐姐为羊毛衫厂织毛衣,一至五月平均每月织48件。六月要织多少件,才能使每月平均产量提高到60件?刚看完题,班长梁晗首先站起来汇报:“要达到每月产量60件,那6个月就要织60×6=360(件),现在前5个月已经织了48×5=240(件),所以六月份还 Case Description When studying the average number of application questions, there is such a problem: My sister is a sweater knit sweater, an average of 48 months from January to May weave. How many pieces in June to make the monthly average production increased to 60? Just read the title, monitor Leung Han first stood up and reported: "To achieve 60 pieces per month, it would have to organize 60 6 = 360 (pieces), now weaving 48 × 5 = 240 (pieces) in the first 5 months, so in June