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Foto de archivo — Serious schoolboy answering by a blackboard on a chemistry lesson. Educational concept.

Serious schoolboy answering by a blackboard on a chemistry lesson. Educational concept. - 140958116
Tamaño
Tamaños estándar
S847 x 565 px • 72 dpi847 x 565 px11.76 x 7.85 inches
M2507 x 1673 px • 300 dpi2507 x 1673 px8.36 x 5.58 inches
L5900 x 3938 px • 300 dpi5900 x 3938 px19.67 x 13.13 inches
XL8850 x 5907 px • 300 dpi8850 x 5907 px29.5 x 19.69 inches

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