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x+0,(6)= 3-( 5/4+1/2)

Răspuns :

x+0,(6)= 3-( 5/4+1/2)
0,(6)=6/9
x+6/9=3-(5/4+1/2)
x+2/3=3-(5/4+1/2)
x+2/3=3-7/4
x+2/3=5/4
x=5/4-2/3
x=15/12-8/12
x=7/12