五年级下册 分数的意义和性质（笔算）

12 = ( )10 5	56 = ( )42 35	1530 = 12
23 = ( )33 22	35 = ( )30 18	23 = ( )18 12
12 = ( )6 3	34 = ( )20 15	13 = ( )15 5
412 = 13	12 = ( )6 3	520 = 14
3654 = 23	12 = ( )6 3	26 = 13
321 = 17	2436 = 23	12 = ( )18 9
15 = ( )15 3	1218 = 23	816 = 12
1227 = 49	13 = ( )15 5	12 = ( )6 3
25 = ( )30 12	26 = ( )18 6	1524 = 58
68 = 34	23 = ( )9 6	312 = 14
37 = ( )35 15	38 = ( )72 27	3036 = 56
3035 = 67	24 = ( )20 10	23 = ( )15 10
610 = 35	35 = ( )30 18	26 = 13
23 = ( )15 10	35 = ( )45 27	26 = ( )12 4
618 = 13	648 = 18	1535 = 37
915 = 35	420 = 15	25 = ( )45 18
912 = 34	18 = ( )40 5

12 = 510	56 = 3542	1530 = 12
23 = 2233	35 = 1830	23 = 1218
12 = 36	34 = 1520	13 = 515
412 = 13	12 = 36	520 = 14
3654 = 23	12 = 36	26 = 13
321 = 17	2436 = 23	12 = 918
15 = 315	1218 = 23	816 = 12
1227 = 49	13 = 515	12 = 36
25 = 1230	26 = 618	1524 = 58
68 = 34	23 = 69	312 = 14
37 = 1535	38 = 2772	3036 = 56
3035 = 67	24 = 1020	23 = 1015
610 = 35	35 = 1830	26 = 13
23 = 1015	35 = 2745	26 = 412
618 = 13	648 = 18	1535 = 37
915 = 35	420 = 15	25 = 1845
912 = 34	18 = 540