55×25+75×15怎么脱式计算?

2024-11-10 08:28:01
推荐回答(5个)
回答1:

55×25+75×15
=55*25+25*3*15
=55*25+25*45
=25(55+45)
=25*100
=2500

回答2:

55*10+55*15+75*15 =550+(55+75)*15 =550+130*15 =550+1950 =2500

回答3:

脱式计算怎么算,这是我看过讲解的最清晰的了

回答4:

55×25+75x15
=125×(11+9)
=125x20
=2500

回答5:

=55*25+25*3*15
=55*25+25*45
=25*(55+45)
=25*100
=2500