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  • Utilizator Brainly
2014-03-04T10:00:43+02:00
X/2=y/3 ⇒ x/10=y/15; y/5=z/4 ⇒ y/15=z/12; din cele doua rezulta x/10=y/15=z/12=k,
x=10k, y=15k, z=12k ⇒ 100k²+225k²+144k²=469/16 ⇒ 469k²=469/16 ⇒ k=1/4 ⇒
x=5/2, y=15/4, z=3.
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