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Marchidandumitru
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Am gresit.Era  x+(x:2)+(x:3)=440   x=?

Răspuns :

CarMina03
x+(x:2)+(x:3)=440
x+x/2+x/3=440
6x+3x+2x=2640
11x=2640
x=26401:11
x=240


Deva
x+x/2+x/3=440
6x+3x+2x=2640
11x=2640
x=2640/11=240

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