[질문] 쎈수학 5-가 170쪽19번부터 답좀요 최대한많이

19.(1)1/4,3(2)3배(3)3,3,3,6/20.(1)16,5와1/3,</21.6과2/3/22.1과1/2/23.18/24.12/25.</26.>/27.25개/28.(1)1,6,24,2,26(2)2,13,26/29.17,2,17,34,11과1/3