25x17+25x23用简便方法计算 !

2024-11-19 04:44:58
推荐回答(5个)
回答1:

 

回答2:

 

回答3:

25ⅹ17+25ⅹ23
=(25x17)+(25ⅹ23)
=425+575
=1000

回答4:

=(17+23)X25 =4Ox25 =1OOOO

回答5:

25×17+25×23
=25×(17+23)
=25×40
=1000