07 Íàéäèòå çíà÷åíèå âûðàæåíèÿ  `*`(40, `+`(`+`(`/`(4, 5), -`/`(7, 8)), `/`(9, 20))). 

ÐÅØÅÍÈÅ 

 

40*(4/5-7/8+9/20) 

http://www.wolframalpha.com/input/?i=40*%284%2F5-7%2F8%2B9%2F20%29 

ÎÒÂÅÒ 

15