666×15+222×55的简便计算？

Question

如题所述

Answer 1

简便计算过程方法如下
解：666×15+222×55
=222×3×15+222×55
=222×45+222×55
=222×(45+55)
=222×100
=22200本回答被网友采纳

Answer 2

666×15+222×55
=222×3×15+222×55
=222×45+222×55
=222×(45+55)
=222×100
=22200

Answer 3

666×15+222×55
=(222×3)×15+222×55
=222×(3×15)+222×55
=222×45＋222×55
=222×(45+55)
=222×100
=22200