文章:
题目:
A car dealer sold x used cars and y new cars during May. If the number of used cars sold was 10 greater than the number of new cars sold, which of the following expresses this relationship?
选项:
A、x> lOyx> y + 10
B、x> y - 10
C、x= y + 10
D、x= y - 10
答案:
D