number one written on slate with chalk

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Size: 3691px × 5683px
Photo credit: © Dinodia Photos RM / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: arithmetic, asia, asian, background, black, board, chalk, chalkboard, classroom, close, color, concept, detail, education, india, indian, indoor, industry, knowledge, learning, life, math, mathematics, number, numbers, series, slate, surface, ten, ups, vertical, written