125x25x9简便运算?

2025-04-04 02:07:45
推荐回答(1个)
回答1:

125*25*9简便运算:
=(100*25+25*25)*9
=(2500+625)*9
=2500*10-2500+625*10-625
=25000-2500+6250-625
=28125