问题 填空题

计算:1997+1996+1004+1006+1994+1003=______.

答案

1997+1996+1004+1006+1994+1003,

=(1997+1003)+(1996+1004)+(1006+1994),

=3000+3000+3000,

=9000;

故答案为:9000.

单项选择题
判断题