| | | | | | | | | | | | | | | | | | | | | 12÷3=4 | 12 12 | 12 12 | | | | | | | | | | | | | | | | | | | | | | | | | | 1 29 5 | 14 | 6 8 | 6 | | 8 | 2 13 7 4 | 7 | | 4 | | | | 36 4 | 36 | 1 20 | 16 2 40 4 3 6 | 6 | | | | | | 11 | | | | 1 | 8+7 ① | 8 7 | ② 8 7 | ③ 8 7 | 2 15 8 | ① 15 8 | ② 15 | 8 ③ 15 | 8 ④ 15 | 8 ⑤ 15 | 8 | ⑥ 15 8 | | | | | | | | | | | | | | | | | | | | | 2019 3 |