五年级下册 分数的意义和性质（笔算）

47 = ( )35 20	46 = 23	45 = ( )20 16
321 = 17	57 = ( )42 30	36 = ( )30 15
1012 = 56	45 = ( )40 32	48 = ( )48 24
25 = ( )30 12	56 = ( )18 15	24 = ( )28 14
12 = ( )6 3	14 = ( )36 9	48 = ( )48 24
38 = ( )40 15	13 = ( )12 4	1545 = 13
34 = ( )28 21	12 = ( )10 5	416 = 14
14 = ( )24 6	12 = ( )10 5	17 = ( )56 8
17 = ( )63 9	46 = ( )42 28	34 = ( )20 15
12 = ( )18 9	48 = ( )16 8	2432 = 34
13 = ( )9 3	28 = ( )24 6	820 = 25
13 = ( )6 2	1518 = 56	39 = ( )45 15
34 = ( )28 21	1535 = 37	46 = 23
25 = ( )30 12	2025 = 45	1025 = 25
14 = ( )36 9	1520 = 34	12 = ( )6 3
67 = ( )63 54	15 = ( )30 6	25 = ( )35 14
630 = 15	28 = ( )48 12

47 = 2035	46 = 23	45 = 1620
321 = 17	57 = 3042	36 = 1530
1012 = 56	45 = 3240	48 = 2448
25 = 1230	56 = 1518	24 = 1428
12 = 36	14 = 936	48 = 2448
38 = 1540	13 = 412	1545 = 13
34 = 2128	12 = 510	416 = 14
14 = 624	12 = 510	17 = 856
17 = 963	46 = 2842	34 = 1520
12 = 918	48 = 816	2432 = 34
13 = 39	28 = 624	820 = 25
13 = 26	1518 = 56	39 = 1545
34 = 2128	1535 = 37	46 = 23
25 = 1230	2025 = 45	1025 = 25
14 = 936	1520 = 34	12 = 36
67 = 5463	15 = 630	25 = 1435
630 = 15	28 = 1248