五年级下册 分数的意义和性质（笔算）

12 = ( )8 4	14 = ( )20 5	1224 = 12
57 = ( )21 15	25 = ( )30 12	2427 = 89
428 = 17	27 = ( )63 18	45 = ( )40 32
610 = 35	16 = ( )18 3	4254 = 79
15 = ( )45 9	12 = ( )4 2	26 = 13
918 = 12	12 = ( )6 3	424 = 16
89 = ( )27 24	214 = 17	28 = ( )40 10
26 = ( )42 14	14 = ( )24 6	15 = ( )35 7
432 = 18	46 = ( )36 24	46 = ( )42 28
12 = ( )4 2	1016 = 58	12 = ( )10 5
1236 = 13	25 = ( )45 18	1236 = 13
45 = ( )30 24	812 = 23	12 = ( )8 4
12 = ( )6 3	1248 = 14	915 = 35
12 = ( )10 5	78 = ( )48 42	26 = 13
2030 = 23	13 = ( )12 4	23 = ( )30 20
12 = ( )12 6	18 = ( )16 2	1527 = 59
828 = 27	1216 = 34

12 = 48	14 = 520	1224 = 12
57 = 1521	25 = 1230	2427 = 89
428 = 17	27 = 1863	45 = 3240
610 = 35	16 = 318	4254 = 79
15 = 945	12 = 24	26 = 13
918 = 12	12 = 36	424 = 16
89 = 2427	214 = 17	28 = 1040
26 = 1442	14 = 624	15 = 735
432 = 18	46 = 2436	46 = 2842
12 = 24	1016 = 58	12 = 510
1236 = 13	25 = 1845	1236 = 13
45 = 2430	812 = 23	12 = 48
12 = 36	1248 = 14	915 = 35
12 = 510	78 = 4248	26 = 13
2030 = 23	13 = 412	23 = 2030
12 = 612	18 = 216	1527 = 59
828 = 27	1216 = 34