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x supra 2+ x supra 3 - x supra 6 =8 supra 6

Răspuns :

Salut

x/2+x/3-x/6=8/6

3x/6+2x/6-x/6=(5x-x)/6=8/6
=> 4x=8
=> x=2
V:1+2/3-1/3=1+1/3=4/3=8/6