如图,将一张长方形大铁皮切割成9块,其中有两块为a cm的大长方形,两块边长为b cm的小正方形,且a>b.(1)求这张长方形大铁皮的面积(用含a,b的代数式表示)(2)若中间的小正方形夫人周长为22cm
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![如图,将一张长方形大铁皮切割成9块,其中有两块为a cm的大长方形,两块边长为b cm的小正方形,且a>b.(1)求这张长方形大铁皮的面积(用含a,b的代数式表示)(2)若中间的小正方形夫人周长为22cm](/uploads/image/z/13578149-29-9.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B0%86%E4%B8%80%E5%BC%A0%E9%95%BF%E6%96%B9%E5%BD%A2%E5%A4%A7%E9%93%81%E7%9A%AE%E5%88%87%E5%89%B2%E6%88%909%E5%9D%97%2C%E5%85%B6%E4%B8%AD%E6%9C%89%E4%B8%A4%E5%9D%97%E4%B8%BAa+cm%E7%9A%84%E5%A4%A7%E9%95%BF%E6%96%B9%E5%BD%A2%2C%E4%B8%A4%E5%9D%97%E8%BE%B9%E9%95%BF%E4%B8%BAb+cm%E7%9A%84%E5%B0%8F%E6%AD%A3%E6%96%B9%E5%BD%A2%2C%E4%B8%94a%3Eb.%281%29%E6%B1%82%E8%BF%99%E5%BC%A0%E9%95%BF%E6%96%B9%E5%BD%A2%E5%A4%A7%E9%93%81%E7%9A%AE%E7%9A%84%E9%9D%A2%E7%A7%AF%EF%BC%88%E7%94%A8%E5%90%ABa%2Cb%E7%9A%84%E4%BB%A3%E6%95%B0%E5%BC%8F%E8%A1%A8%E7%A4%BA%EF%BC%89%EF%BC%882%EF%BC%89%E8%8B%A5%E4%B8%AD%E9%97%B4%E7%9A%84%E5%B0%8F%E6%AD%A3%E6%96%B9%E5%BD%A2%E5%A4%AB%E4%BA%BA%E5%91%A8%E9%95%BF%E4%B8%BA22cm)
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