2 + 2 = 4 written on a chalkboard with an open book and a pencil on foreground.


2 + 2 = 4 written on a chalkboard with an open book and a pencil on foreground.


Size: 3648px × 2736px
Location: Argentina
Photo credit: © antonprado / Alamy / Afripics
License: Royalty Free
Model Released: No

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