Question

1) determinati x asfel incat 28a=35b si x supra36.
2)daca a,b € N si a supra 2=b supra 3,aratati ca 51a=34b.

Answer 1

1) 28a = 35 b ai a/b = x/36 ....x=?
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28a = 35 b ( impartim numerele la 7)
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4a = 5b => 5/4 = x/36 <=> 180 = 4x => x = 45