a fost răspuns

d) x supra y=2 supra 11,aflati 5y supra3x×5y
e) x supra y =2 supra7,aflati5x supra3y-5x
f) x supra y= 1 supra3 aflati 2y-4x supra 4x​

Răspuns :

Ancutagrigoriuask

Răspuns:

x/y=2, x=2y, 5y/6y×5y= 5y/30y la a doua, 1/6y

x/y=2/7, 7x=2y , x=2y/7, 10y/7 supra 3y-10y/7, 10y/7 supra 11y/7, 10y/7 ×7/11y =10/11

x/y=1/3 3x=y 6x-4x/4x=2x/4x=1/2

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