问题
填空题
计算:3687-222-363-478-687-1637=______.
答案
3687-222-363-478-687-1637
=3687-687-(222+478)-(363+1637),
=3000-700-2000
=300.
故答案为:300.
计算:3687-222-363-478-687-1637=______.
3687-222-363-478-687-1637
=3687-687-(222+478)-(363+1637),
=3000-700-2000
=300.
故答案为:300.