20千克比25千克少_%.25千克比20千克多_%.

问题描述:

20千克比25千克少______%.25千克比20千克多______%.

(25-20)÷25
=5÷25
=20%
答:20千克比25千克少20%.
(25-20)÷20
=5÷20
=25%
答:25千克比20千克多25%.
故答案为:20、25.