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.
计算:1997+1996+1004+1006+1994+1003=______.
1997+1996+1004+1006+1994+1003,
=(1997+1003)+(1996+1004)+(1006+1994),
=3000+3000+3000,
=9000;
故答案为:9000.