熟知，某变量的最大值是M，又其上界为A，9443a20914a8c5a29c470cf21846afe446a04b6fe204611d35adf89a69c0cef7则MA≤．类似地，某8f9755e8b0f2d6b8aade0c26eecddc6e25aa55cf86de46881b697c8db01d0e50变量的最小值是m，（试读）...
9443a20914a8c5a29c470cf21846afe446a04b6fe204611d35adf89a69c0cef7
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