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360P
长方形里有一个正方形，空白部分面积是44平方厘米，求阴影面积？
五年级上册-202199/112
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App03:36打开App观看
App04:53App03:43App01:44App05:20App02:38App02:36App03:28App03:51App02:54App03:40App02:40App02:16App04:47App02:36App03:36
