Răspunsuri

  • Utilizator Brainly
2014-03-06T21:15:01+02:00
X/√81=x/9;
√225/√1296=15/36=5/12 ⇒ x/9=5/12 ⇒ x=45/12=15/4=3,75.
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2014-03-06T21:17:37+02:00
√81=9
√225=15
√1296=36
 formezi doua rapoarte astfel:
x supra 9 = 15 supra 36 =>  x=9*15 spra 36  =  135 supra 36= 3.75
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