Помогите решить пример по действиям, пожалуйста!))
(1/6 + 1/10 + 1/15 ) : (3/5 -1/ 3 - 1/4 )
1) 1/6 + 1/10 = 5/30 + 3/30 = 8/30 = 4/15
2) 4/15 + 1/15 = 5/15 = 1/3
3) 3/5 - 1/3 = 9/15 - 5/15 = 4/15
4) 4/15 - 1/4 = 16/60 - 15/60 = 1/60
5) 1/3 : 1/60 = 1/3 * 60 = 20
Ответ: 20
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Answers & Comments
1) 1/6 + 1/10 = 5/30 + 3/30 = 8/30 = 4/15
2) 4/15 + 1/15 = 5/15 = 1/3
3) 3/5 - 1/3 = 9/15 - 5/15 = 4/15
4) 4/15 - 1/4 = 16/60 - 15/60 = 1/60
5) 1/3 : 1/60 = 1/3 * 60 = 20
Ответ: 20