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2014-07-22T21:25:20+03:00
x⇒ 14
x+1⇒  15
x+2⇒  16
x+3⇒  17

x+x+1+x+2+x+3=62
4x+6=62
4x=62-6
4x=56
x=56:4
x=14

Verificare: 14+15+16+17=62

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  • Utilizator Brainly
2014-07-22T21:31:50+03:00
A+a+1+a+2+a+3=4a+6= 62/-6 , 4a=56 / 4, a=14 → 14+15+16+17=62
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