01 Íàéäèòå çíà÷åíèå âûðàæåíèÿ  `+`(`+`(`/`(2, 3), `/`(2, 5)), `-`(`/`(1, 15))). 

ÐÅØÅÍÈÅ 

 

2/3+2/5-1/15 

http://www.wolframalpha.com/input/?i=2%2F3%2B2%2F5-1%2F15 

ÎÒÂÅÒ 

1