regular polygons isolated on a white background poster didactic material geometry manual triangle square pentagon hexagon octagon decagon
ID: 2122380917
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- 大图:6112 × 2708 像素·51.75 cm × 22.93 cm·300dpi·JPG
- 中图:1000 × 443 像素·35.28 cm × 15.63 cm·72dpi·JPG
- 小图:500 × 222 像素·17.64 cm × 7.83 cm·72dpi·JPG