21 語中 1～21番目
| 問題 | 解答▲ | 出題数 | 習得度 | 苦手度 |
|---|---|---|---|---|
| １０×１０＝ | 100 | - | - | - |
| １２×１２＝ | 144 | - | - | - |
| １４×１４＝ | 196 | - | - | - |
| 6 | 2.3 | - | - | - |
| 8 | 2.4 | - | - | - |
| 12＊ | 2.6 3.4 | - | - | - |
| 18＊ | 2.9 3.6 | - | - | - |
| １６×１６＝ | 256 | - | - | - |
| 9 | 3.3 | - | - | - |
| 21 | 3.7 | - | - | - |
| 27 | 3.9 | - | - | - |
| 20 | 4.5 | - | - | - |
| 28 | 4.7 | - | - | - |
| 32 | 4.8 | - | - | - |
| 36＊ | 4.9 6.6 | - | - | - |
| 45 | 5.9 | - | - | - |
| 54 | 6.9 | - | - | - |
| 49 | 7.7 | - | - | - |
| 63 | 7.9 | - | - | - |
| 64 | 8.8 | - | - | - |
| 81 | 9.9 | - | - | - |
21 語中 1～21番目
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