| | | | | | | | ⒈ | | ⑴ | | | | ⑵ | | | | | ⑶ | | | | | | | | ⒉ | | | | | ⒊ | | | | | | | | | | 15cm 2 3cm | 4 5 3cm | 6 7cm | | | 7 10 5 7 | | | 10cm 15 | | | 70cm | | | | | | | |