问题
填空题
5□4×6≈3000,□里可以填______.
3□91÷5≈700,□里可以填______.
答案
(1)504×6≈3000,
514×6≈3000,
524×6≈3000,
534×6≈3000,
544×6≈3000;
(2)3491÷5≈700,
3591÷5≈700,
3691÷5≈700,
3791÷5≈700,
3891÷5≈700,
3991÷5≈700.
故答案为:(1)0,1,2,3,4;
(2)4,5,6,7,8,9.