The Division Working Charts includes two working charts and a box of answer chips. The first working chart later becomes the control chart. The materials are for the child to practice and memorize the division combinations.
The Division Working Charts includes two working charts and a box of answer chips. The first working chart later becomes the control chart. The materials are for the child to practice and memorize the division combinations.
| 尺寸 | 27 x 79 x 2.8 cm |
|---|
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