Răspunsuri

2014-11-18T18:45:26+02:00
14:(x+5)=2 ; X+5=2*14; x+5=28; x=28- 5; x=23
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2014-11-18T18:46:34+02:00
14:(x-5)=2
x-5=14:2
x-5=7
x=7+5
x=12