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36 vertical addition problems
|
CN¥ 0.0 |
36 vertical subtraction problems
|
CN¥ 0.0 |
36 vertical multiplication problems
|
CN¥ 0.0 |
36 vertical long division problems
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CN¥ 0.0 |
Phone or WeChat: 15805897717
36 pieces of arithmetic learning cards, card size: 7.8*11.7cm












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