Description: 1, 1,2,3,4 figures, the number of each other with no repeating three-digit numbers can be formed? How many are? 2, corporate bonuses based on profit commission. When profits (I) is less than or equal to 10 million in prize money to put 10 while profits more than 10 million yuan, less than 20 million, less than 10 million in part by the 10 commission, higher than 100,000 yuan part, cocoa commission of 7.5 while between 200,000 to 400,000, higher than the $ 200,000 the available commission of 5 while between 400,000 to 600,000 more than 40 million parts can commission 3 when between 600 thousand to one million, higher than the $ 600,000 the available commission of 1.5 , while more than 100 million yuan, more than one million yuan in part by 1 commission, profit from the keyboard of the month I, should seek Total prize money distributed? 3, an integer, it is a perfect square plus the 100, plus the 168 is a perfect square, what is the number? 4, input on a certain day, judgment
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