问题
解答题
205×68=200×68﹢5______.
答案
205×68,
=(200+5)×68,
=200×68+5×68,
=13600+340,
=13940;
200×68﹢5,
=13600+5,
=13605;
13940>13605;
故答案为:×.
205×68=200×68﹢5______.
205×68,
=(200+5)×68,
=200×68+5×68,
=13600+340,
=13940;
200×68﹢5,
=13600+5,
=13605;
13940>13605;
故答案为:×.