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Determinati numerele a si b, daca a supra 3=6 supra b=12 supra5​

Răspuns :

Răspuns:

[tex]\frac{a}{3} =\frac{6}{b} =\frac{12}{5} \\ \frac{a}{3} = \frac{12}{5} => 5a=12*3\\ 5a=36|:5\\ a=7,2[/tex]

[tex]\frac{6}{b} =\frac{12}{5} => 12b=6*5\\ 12b=30|:12\\ b=2,5[/tex]