ＲＩＤＥＢＡＣＫ
Information and links
Volumes
| Cover | Vocabulary List | Total | Unique | Used Once | New ⓘ | Density ⓘ | |
|---|---|---|---|---|---|---|---|
| Series | 10,130 | 3,971 | 2,408 | 60% | 17.00 | ||
|
ＲＩＤＥＢＡＣＫ（１） | 3,868 | 2,028 | 1,403 | 69% | 2,028 | 18.78 |
|
ＲＩＤＥＢＡＣＫ（２） | 3,440 | 1,906 | 1,375 | 72% | 1,165 | 17.37 |
|
ＲＩＤＥＢＡＣＫ（３） | 2,822 | 1,629 | 1,187 | 72% | 778 | 14.85 |