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smechetiy
2015-11-07 11:55:00
Numarul [(-2 3/4) :(-11/8) -( +3 1/2) :7/4] ^2013 este:
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perconicdragana
2015-11-07 12:59:11

[(-11/4):(-11/8)-(7/2):(7/4)}^2013= [(8/4)-(4/2)]^2013= (2-2)^2013= (0)^2013= =0

valeriu3
2015-11-07 13:00:26

[(-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

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