2012年12月10日SAT数学每日一练

　　下面是一道SAT数学练习题，答案在下一页，请自行完成后参看答案和解析。

　　Read the following SAT test question, then click on a button to select your answer.

　　The sum of the positive odd integers less than 50 is subtracted from the sum of the positive even integers less than or equal to 50. What is the resulting difference?

　　A.0

　　B.25

　　C.50

　　D.100

　　E.200