五年级下册 分数的意义和性质（笔算）

12 = ( )10 5	28 = ( )72 18	612 = 12
1214 = 67	59 = ( )36 20	1016 = 58
1830 = 35	14 = ( )20 5	12 = ( )18 9
25 = ( )45 18	13 = ( )21 7	921 = 37
13 = ( )30 10	12 = ( )6 3	13 = ( )33 11
1824 = 34	12 = ( )6 3	37 = ( )35 15
23 = ( )21 14	18 = ( )32 4	48 = ( )16 8
1854 = 13	816 = 12	12 = ( )10 5
530 = 16	39 = 13	47 = ( )63 36
23 = ( )15 10	23 = ( )30 20	23 = ( )21 14
12 = ( )18 9	3035 = 67	35 = ( )40 24
79 = ( )36 28	4254 = 79	1636 = 49
13 = ( )15 5	12 = ( )6 3	12 = ( )6 3
26 = ( )30 10	79 = ( )45 35	1045 = 29
530 = 16	2442 = 47	12 = ( )6 3
68 = 34	520 = 14	12 = ( )18 9
23 = ( )15 10	814 = 47

12 = 510	28 = 1872	612 = 12
1214 = 67	59 = 2036	1016 = 58
1830 = 35	14 = 520	12 = 918
25 = 1845	13 = 721	921 = 37
13 = 1030	12 = 36	13 = 1133
1824 = 34	12 = 36	37 = 1535
23 = 1421	18 = 432	48 = 816
1854 = 13	816 = 12	12 = 510
530 = 16	39 = 13	47 = 3663
23 = 1015	23 = 2030	23 = 1421
12 = 918	3035 = 67	35 = 2440
79 = 2836	4254 = 79	1636 = 49
13 = 515	12 = 36	12 = 36
26 = 1030	79 = 3545	1045 = 29
530 = 16	2442 = 47	12 = 36
68 = 34	520 = 14	12 = 918
23 = 1015	814 = 47