Calculation of mathematical formulas. A close-up hand writes an algebraic formula on a white sheet of paper. Science and education.
ID: 1839180604
编辑图片
以图搜图
- 大图:3840 × 2160 像素·32.51 cm × 18.29 cm·300dpi·JPG
- 中图:1000 × 563 像素·35.28 cm × 19.86 cm·72dpi·JPG
- 小图:500 × 282 像素·17.64 cm × 9.95 cm·72dpi·JPG