Question

efetue (2\3 + 1\2)² dividido 7\3?

Answer 1

Vejamos:

(2/3 + 1/2)²
--------------- =
       7/3

4/9 + 4/6 + 1/4
---------------------- =
         7/3

(4/9 + 4/6 + 1/4) . (3/7) =

12/63 + 12/42 + 3/28 =

4/21 + 6/21 + 3/28=

10/21 + 3/28 =

40/84 + 9/84=

49/84=

7/12=

0,58333... 

Answer 2

Ola Jairo

2/3 + 1/2 = 4/6 + 3/6 = 7/6

(7/6)² = 49/36

(49/36)/(7/3) = (49/36)*3/7) = 7/12 

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