五年级下册 分数的意义和性质（笔算）

47 = ( )14 8	25 = ( )45 18	812 = 23
1242 = 27	17 = ( )63 9	37 = ( )63 27
1254 = 29	618 = 13	23 = ( )24 16
13 = ( )30 10	28 = 14	47 = ( )42 24
37 = ( )63 27	13 = ( )24 8	24 = ( )28 14
4854 = 89	15 = ( )30 6	12 = ( )18 9
45 = ( )10 8	27 = ( )28 8	14 = ( )20 5
37 = ( )42 18	58 = ( )24 15	38 = ( )40 15
23 = ( )24 16	23 = ( )6 4	28 = ( )32 8
1545 = 13	13 = ( )15 5	46 = 23
12 = ( )6 3	23 = ( )9 6	14 = ( )28 7
420 = 15	3040 = 34	416 = 14
39 = ( )27 9	1821 = 67	14 = ( )12 3
78 = ( )48 42	23 = ( )12 8	24 = ( )36 18
540 = 18	1014 = 57	18 = ( )32 4
212 = 16	642 = 17	68 = ( )72 54
1035 = 27	36 = ( )24 12

47 = 814	25 = 1845	812 = 23
1242 = 27	17 = 963	37 = 2763
1254 = 29	618 = 13	23 = 1624
13 = 1030	28 = 14	47 = 2442
37 = 2763	13 = 824	24 = 1428
4854 = 89	15 = 630	12 = 918
45 = 810	27 = 828	14 = 520
37 = 1842	58 = 1524	38 = 1540
23 = 1624	23 = 46	28 = 832
1545 = 13	13 = 515	46 = 23
12 = 36	23 = 69	14 = 728
420 = 15	3040 = 34	416 = 14
39 = 927	1821 = 67	14 = 312
78 = 4248	23 = 812	24 = 1836
540 = 18	1014 = 57	18 = 432
212 = 16	642 = 17	68 = 5472
1035 = 27	36 = 1224