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Numarul [(-2 3/4) :(-11/8) -( +3 1/2) :7/4] ^2013 este:


Răspuns :

[(-11/4):(-11/8)-(7/2):(7/4)}^2013=
[(8/4)-(4/2)]^2013=

(2-2)^2013=
(0)^2013=
=0


[(-2 3/4) :(-11/8) -( +3 1/2) :7/4]^2013 =

= [-11/4 :(-11/8) - 7/2 : 7/4]^2013 =

= [ -11/4 ×( -8/11) - 7/2 × 4/7] ^2013 =

= (2 - 2)^2013 =

= 0^2013 =

= 0