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A comment on Math Problems for children from 5 to 15 (2004) [pdf]. Parent comment

Re:Math Problems for children from 5 to 15 (2004) [pdf] by scratcheee on Monday July 19, 2021 @02:29PM (#27885793)
Assuming volume 1 is on the left and the books have their spine facing out.

Reasonable assumptions, but relying on implicit knowledge nonetheless.

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