五年级下册 分数的意义和性质（笔算）

23 = ( )15 10	13 = ( )33 11	810 = 45
545 = 19	38 = ( )16 6	34 = ( )8 6
1224 = 12	23 = ( )15 10	35 = ( )25 15
23 = ( )24 16	56 = ( )18 15	47 = ( )56 32
28 = ( )16 4	48 = ( )48 24	424 = 16
68 = ( )72 54	38 = ( )72 27	12 = ( )10 5
35 = ( )15 9	68 = 34	627 = 29
2430 = 45	24 = ( )28 14	68 = 34
57 = ( )35 25	525 = 15	37 = ( )21 9
1527 = 59	45 = ( )45 36	37 = ( )42 18
614 = 37	45 = ( )40 32	1224 = 12
67 = ( )56 48	212 = 16	46 = ( )24 16
16 = ( )18 3	23 = ( )12 8	816 = 12
34 = ( )16 12	48 = ( )24 12	1824 = 34
35 = ( )10 6	28 = ( )40 10	24 = ( )28 14
12 = ( )6 3	216 = 18	14 = ( )12 3
12 = ( )4 2	46 = ( )42 28

23 = 1015	13 = 1133	810 = 45
545 = 19	38 = 616	34 = 68
1224 = 12	23 = 1015	35 = 1525
23 = 1624	56 = 1518	47 = 3256
28 = 416	48 = 2448	424 = 16
68 = 5472	38 = 2772	12 = 510
35 = 915	68 = 34	627 = 29
2430 = 45	24 = 1428	68 = 34
57 = 2535	525 = 15	37 = 921
1527 = 59	45 = 3645	37 = 1842
614 = 37	45 = 3240	1224 = 12
67 = 4856	212 = 16	46 = 1624
16 = 318	23 = 812	816 = 12
34 = 1216	48 = 1224	1824 = 34
35 = 610	28 = 1040	24 = 1428
12 = 36	216 = 18	14 = 312
12 = 24	46 = 2842