804✖️25的简便计算？

Question

如题所述

Answer 1

804✖️25
=201×4×25
=201×(4×25)
=210×100
=21000.本回答被网友采纳

Answer 2

Answer 3

804×25
=201×(4×25)
=201×100
=20100

Answer 4

=（800+4）*25
=800*25+4*25
=20000+100
=20100本回答被网友采纳