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(1-2/3):(1-3/2)la -1. Adica a doua paranteza ridicata la -1

Răspuns :

(1-2/3):(1-3/2)^(-1) =

( 3-2 /3) : ( 2-3 / 2)^ (-1) =

1/3 : (-1/2)^(-1) =

1/3 : (-2) =

1/3 x (-1/2) =

- 1/6

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