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一、选择题(每小题有且只有一个答案是正确的,把你认为正确的答案的标号字母填在题后括号内,每小题填对给2分,填错或不填给0分。本题共20分) 1.下列四个数中,有一个是1到15这15个整数的乘积,这个数是〔A〕 (A)1307674368000;(B)1307674368500; (C)1307674368200;(D)1307674368010; 2.记那么,化简S结果是〔A〕
1. Multiple-choice questions (only one and only one answer is correct for each question; fill in the brackets after the questions you think are correct; assign 2 points for each question, and fill in 0 or no points. This question consists of 20 points.) 1. One of the following four numbers is the product of the 15 integers 1 to 15. This number is [A] (A) 1307674368000; (B) 1307674368500; (C) 1307674368200; (D ) 1307674368010; 2. Remember, Simplify S results are [A]