五年级下册 分数的意义和性质（笔算）

621 = 27	79 = ( )27 21	34 = ( )36 27
25 = ( )20 8	13 = ( )18 6	1248 = 14
47 = ( )21 12	25 = ( )15 6	520 = 14
24 = ( )20 10	1248 = 14	14 = ( )36 9
35 = ( )20 12	46 = ( )18 12	1016 = 58
35 = ( )15 9	13 = ( )15 5	69 = ( )27 18
4045 = 89	34 = ( )24 18	1216 = 34
25 = ( )40 16	26 = ( )24 8	2432 = 34
13 = ( )15 5	1216 = 34	1624 = 23
12 = ( )18 9	1218 = 23	816 = 12
15 = ( )35 7	614 = 37	3648 = 34
12 = ( )12 6	13 = ( )21 7	68 = ( )72 54
15 = ( )45 9	29 = ( )27 6	1232 = 38
58 = ( )16 10	1545 = 13	23 = ( )30 20
12 = ( )4 2	1540 = 38	12 = ( )12 6
58 = ( )16 10	69 = 23	1216 = 34
18 = ( )32 4	58 = ( )24 15

621 = 27	79 = 2127	34 = 2736
25 = 820	13 = 618	1248 = 14
47 = 1221	25 = 615	520 = 14
24 = 1020	1248 = 14	14 = 936
35 = 1220	46 = 1218	1016 = 58
35 = 915	13 = 515	69 = 1827
4045 = 89	34 = 1824	1216 = 34
25 = 1640	26 = 824	2432 = 34
13 = 515	1216 = 34	1624 = 23
12 = 918	1218 = 23	816 = 12
15 = 735	614 = 37	3648 = 34
12 = 612	13 = 721	68 = 5472
15 = 945	29 = 627	1232 = 38
58 = 1016	1545 = 13	23 = 2030
12 = 24	1540 = 38	12 = 612
58 = 1016	69 = 23	1216 = 34
18 = 432	58 = 1524