Note
We will especially pick up the part of the third semester and the new grade.
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Junior high **** 5 subjects monthly unlimited products
Junior high **** (math) ⅠPositive number Negative number 1 負
File List
| File | Size | Image quality | Replay Time | Streaming | Download |
|---|---|---|---|---|---|
mp4 |
183.29MB | 4,050kbps | 約5m | possible | impossible |
Product Information
Consider positive and negative numbers, absolute values and numbers in middle year mathematics.