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1.sa se determine x din egalitatile.
{[(2*x-98):2+56]*6-208}:500=4.
225:{[(9*x-30)-1]:5=5.
[(x+69:2)*5+2]*5=985.
5*{942-2*[882-4*(79+5*x)]}=250.


Răspuns :

X={[(500 x 4+208):6-56] x 2+98}:2
X=361

X=[225:(5 x 5)+1+30]:9 ceva e gresit
x=