Addition_Demonstration.pdf (56 × 100 pixels, file size: 12 KB, MIME type: application/pdf)
English: This picture shows one strategy to calculate 27 + 59 = 86.
中文: 这个图片展示了计算 27 + 59 = 86 的一种方法。
Click on a date/time to view the file as it appeared at that time.
|current||01:20, 24 January 2019||56 × 100 (12 KB)||LitFlower171||User created page with UploadWizard|
- You cannot overwrite this file.
File usage on Commons
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
|Page size||26.899 x 48.219 pts|
|Version of PDF format||1.5|