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5/51 x [5/6 -(11/12-7/36)]:25/72

Răspuns :

HawkEyed
5/51 x [5/6 -(11/12-7/36)]:25/72 = 
5/51 x [5/6 - (33-7)/36] : 25/72 = 
5/51 x [ 5/6 - 26/36] : 25/72 =
5/51 x [(30-26)/36] : 25/72 = 
5/51 x 4/36 x 72/25 = 
5/51 x 8 / 25 = 
8/ 255
= 5/51×(5/6-(11/12-7/36))÷25\72=5/51×(5/6-13/18)×72/25=1/51×1/9×72/5=1/51×8/5=8/225= 0.0313725
Succes!

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