Сократите дробь
21a^3b^5
________
35a^4b^2
6x^2*(x+y)
--------------
9xy*(x+y)
5m-5n
----------
m^2n-mn^2
4a^2-9
-----------
10a+15
a^2-2ab+b^2
------------------
a^2-b^3
________ = 21b^3= 3b^3
35a^4b^2 35a 5a
6x^2*(x+y) 6x
-------------- = = 2x/3y
9xy*(x+y) 9y
5m-5n 5(m-n)
---------- = = 5/mn
m^2n-mn^2 mn(m-n)
4a^2-9 (2a-3)(2a+3)
----------- = = (2a-3)/5
10a+15 5(2a+3)
------------------ =