Question

2 intreg 1/5-(3/5+2/3)-7/30

va rog repede am nevoie de el in cateva minute dau coroana ​

Answer 1

Răspuns: 7/10

Explicație pas cu pas:

2 intreg 1/5 - (³⁾3/5 + ⁵⁾2/3) - 7/30 =

(2·5 + 1)/5 - (9/15 + 10/15) - 7/30 =

⁶⁾11/5 - ²⁾19/15 - 7/30 =

66/30 - 38/30 - 7/30 =

(66 - 38 -7)/30 =

21/30 = 7/10

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