五年级下册 分数的意义和性质（笔算）

23 = ( )6 4	820 = 25	28 = ( )24 6
58 = ( )48 30	2025 = 45	35 = ( )45 27
24 = ( )20 10	14 = ( )20 5	3648 = 34
29 = ( )54 12	1015 = 23	57 = ( )56 40
14 = ( )20 5	38 = ( )16 6	27 = ( )42 12
79 = ( )27 21	515 = 13	654 = 19
23 = ( )30 20	3036 = 56	824 = 13
627 = 29	13 = ( )12 4	35 = ( )20 12
12 = ( )4 2	921 = 37	13 = ( )9 3
69 = 23	23 = ( )30 20	412 = 13
23 = ( )24 16	2545 = 59	12 = ( )8 4
912 = 34	420 = 15	540 = 18
46 = 23	13 = ( )6 2	1624 = 23
12 = ( )10 5	2030 = 23	2430 = 45
2025 = 45	38 = ( )72 27	14 = ( )24 6
13 = ( )12 4	25 = ( )20 8	1012 = 56
12 = ( )10 5	23 = ( )33 22

23 = 46	820 = 25	28 = 624
58 = 3048	2025 = 45	35 = 2745
24 = 1020	14 = 520	3648 = 34
29 = 1254	1015 = 23	57 = 4056
14 = 520	38 = 616	27 = 1242
79 = 2127	515 = 13	654 = 19
23 = 2030	3036 = 56	824 = 13
627 = 29	13 = 412	35 = 1220
12 = 24	921 = 37	13 = 39
69 = 23	23 = 2030	412 = 13
23 = 1624	2545 = 59	12 = 48
912 = 34	420 = 15	540 = 18
46 = 23	13 = 26	1624 = 23
12 = 510	2030 = 23	2430 = 45
2025 = 45	38 = 2772	14 = 624
13 = 412	25 = 820	1012 = 56
12 = 510	23 = 2233