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/ Enciclopedia de la Ciencia 2.0 / ZETACIE2.bin / MATH / RENU / renu3y3b.png

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Portable Network Graphic  |  1998-07-01  |  2KB  |  116x176  |  1-bit (2 colors)

Labels: barrier reef | bulletin board | clock | door | earth | person | sky | stairs
OCR: a-bi a+bi (c+dia-bi) D)(iq+0} -bi) ca+bd + (ad -bci ca+bd ad-bc

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