(7y-10/5y-7)
5y-7+2y-3
= ----------
5y-7
2y 3
= 1 + --------- - --------
5y-7 5y-7
或是
7y-10 7/5(5y-7) 1
----- = ------------ - 1/5 ---------
5y-7 5y-7 5y-7
1
=7/5 - 1/5 ------
5y-7
這樣去積分也可以
5y-7+2y-3
= ----------
5y-7
2y 3
= 1 + --------- - --------
5y-7 5y-7
或是
7y-10 7/5(5y-7) 1
----- = ------------ - 1/5 ---------
5y-7 5y-7 5y-7
1
=7/5 - 1/5 ------
5y-7
這樣去積分也可以
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