问题
填空题
105×82=______×______+______×______.
答案
105×82,
=(100+5)×82,
=100×82+5×82,
=8200+410,
=8610.
故答案为:100,82,5,82.
105×82=______×______+______×______.
105×82,
=(100+5)×82,
=100×82+5×82,
=8200+410,
=8610.
故答案为:100,82,5,82.