25分之9乘12分之5=
问题描述:
25分之9乘12分之5=
答
25分之9乘12分之5
=9x5/25x12
=3/5x4
=3/20 (20分之3)
25分之9乘12分之5=
25分之9乘12分之5
=9x5/25x12
=3/5x4
=3/20 (20分之3)