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Dozadehas521
a fost răspuns

8x13-8x8:{13-4x3:[2x11-1x5+(19x2-2x2xB)]+2x2}=100 urgent

Răspuns :

Merry1111
104-64:{13-12:[22-5+(38-4B)]}
40•22-5+38-4B
880-44-4B
836-4B
B=836+4
B=840

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