五年级下册 分数的意义和性质（笔算）

23 = ( )33 22	23 = ( )21 14	35 = ( )20 12
34 = ( )12 9	2432 = 34	2024 = 56
45 = ( )30 24	25 = ( )35 14	34 = ( )24 18
15 = ( )40 8	1015 = 23	36 = ( )18 9
1236 = 13	214 = 17	37 = ( )28 12
23 = ( )33 22	26 = 13	612 = 12
1214 = 67	46 = ( )12 8	14 = ( )24 6
17 = ( )21 3	13 = ( )30 10	1525 = 35
12 = ( )10 5	12 = ( )10 5	1218 = 23
13 = ( )12 4	15 = ( )40 8	25 = ( )30 12
67 = ( )21 18	1015 = 23	69 = 23
17 = ( )56 8	312 = 14	321 = 17
654 = 19	35 = ( )15 9	36 = ( )24 12
1242 = 27	1821 = 67	29 = ( )36 8
45 = ( )40 32	14 = ( )20 5	27 = ( )63 18
2045 = 49	432 = 18	23 = ( )12 8
23 = ( )21 14	25 = ( )45 18

23 = 2233	23 = 1421	35 = 1220
34 = 912	2432 = 34	2024 = 56
45 = 2430	25 = 1435	34 = 1824
15 = 840	1015 = 23	36 = 918
1236 = 13	214 = 17	37 = 1228
23 = 2233	26 = 13	612 = 12
1214 = 67	46 = 812	14 = 624
17 = 321	13 = 1030	1525 = 35
12 = 510	12 = 510	1218 = 23
13 = 412	15 = 840	25 = 1230
67 = 1821	1015 = 23	69 = 23
17 = 856	312 = 14	321 = 17
654 = 19	35 = 915	36 = 1224
1242 = 27	1821 = 67	29 = 836
45 = 3240	14 = 520	27 = 1863
2045 = 49	432 = 18	23 = 812
23 = 1421	25 = 1845