Teaching material for studying of mathematics at schoolboys isolated on white background
ID: 59553775
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- 大图:3494 × 1600 像素·29.58 cm × 13.55 cm·300dpi·JPG
- 中图:1000 × 458 像素·35.28 cm × 16.16 cm·72dpi·JPG
- 小图:500 × 229 像素·17.64 cm × 8.08 cm·72dpi·JPG