五年级下册 分数的意义和性质（笔算）

23 = ( )18 12	12 = ( )10 5	832 = 14
12 = ( )10 5	57 = ( )21 15	46 = ( )30 20
321 = 17	1218 = 23	35 = ( )25 15
14 = ( )24 6	1824 = 34	2127 = 79
27 = ( )63 18	12 = ( )18 9	56 = ( )12 10
13 = ( )21 7	1224 = 12	23 = ( )15 10
2448 = 12	1030 = 13	57 = ( )42 30
23 = ( )33 22	1224 = 12	27 = ( )42 12
69 = 23	2540 = 58	69 = ( )36 24
34 = ( )20 15	18 = ( )48 6	12 = ( )6 3
24 = ( )16 8	212 = 16	58 = ( )40 25
616 = 38	624 = 14	2032 = 58
28 = ( )16 4	13 = ( )33 11	34 = ( )36 27
34 = ( )20 15	3545 = 79	13 = ( )15 5
615 = 25	78 = ( )48 42	56 = ( )30 25
68 = ( )72 54	24 = ( )20 10	68 = ( )40 30
1540 = 38	924 = 38

23 = 1218	12 = 510	832 = 14
12 = 510	57 = 1521	46 = 2030
321 = 17	1218 = 23	35 = 1525
14 = 624	1824 = 34	2127 = 79
27 = 1863	12 = 918	56 = 1012
13 = 721	1224 = 12	23 = 1015
2448 = 12	1030 = 13	57 = 3042
23 = 2233	1224 = 12	27 = 1242
69 = 23	2540 = 58	69 = 2436
34 = 1520	18 = 648	12 = 36
24 = 816	212 = 16	58 = 2540
616 = 38	624 = 14	2032 = 58
28 = 416	13 = 1133	34 = 2736
34 = 1520	3545 = 79	13 = 515
615 = 25	78 = 4248	56 = 2530
68 = 5472	24 = 1020	68 = 3040
1540 = 38	924 = 38