| 2021 | | | 2020 12 31 | | | | 2021 1 1 | 2021 | | | | | 56 | | 1. | 2020 12 1. | 4% | | | | 2. | 1 1 | | | 1 1 | 15 15 | | 1. 2020 12 | 31 70 | 30 70 | | 3 | 2. | | | | | | | 2021 | | 56 | 1.4％ | 1 | 15 15 | | | | 2021 | | | 2021 4. | 5% | | | 2020 12 | 4. | 5% | | | | | | | | | | 1968 5 2018 5 | | 28 10 2020 12 | 2807.5 | | | 1. 56 \ | 2. ① | 29 1 | 1 1 ／ ＝29 ② | 2807.5 | 1.4％ ＝ 39.3 / 29 | \ + 39.3 \ = 68.3 \ | | 56 ＋ 68.3 ＝ 124.3 | 1937 5 1997 5 | | 43 | 2020 12 4305.23 | | | | 1. 56 \ | 2. ① | 43 1 | 1 1 ／ ＝43 ② | | 430523 14％ ＝ 6027 / | 43 \ + 60.27 \ = 103.27 \ | | 3. ① 2020 12 70 | 30 ② | 83 70 | 3 | 83 70 | 3 ／ ＝39 ／ | 30 / + 39 / = 69 | / | | 56 ＋ 103.27 ＋ 69 ＝ 228.27 | | |