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a fost răspuns

2+2*{2+2*[2+2*(2-2:a)]}=22
a=?

Răspuns :

Sanda1998
2+2*{2+2*[2+2*(2-2:a)]}=22 2*{2+2*[2+2*(2-2:a)]}=22-2 2*{2+2*[2+2*(2-2:a)]}=20 {2+2*[2+2*(2-2:a)]}=20/2 2+2*[2+2*(2-2:a)]=10 2*[2+2*(2-2:a)]=10-2 2*[2+2*(2-2:a)]=8 2+2*(2-2:a)=8/2 2+2*(2-2:a)=4 2*(2-2:a)=4-2 2*(2-2:a)=2 2-2:a=2/2 2-2:a=1 -2:a=1-2 -2:a=-1 2:a=1 a=2

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