五年级下册 分数的意义和性质（笔算）

25 = ( )35 14	416 = 14	13 = ( )12 4
23 = ( )12 8	46 = ( )18 12	13 = ( )18 6
820 = 25	424 = 16	17 = ( )28 4
34 = ( )12 9	1035 = 27	68 = ( )32 24
17 = ( )63 9	1218 = 23	515 = 13
23 = ( )21 14	26 = ( )36 12	48 = ( )24 12
12 = ( )12 6	12 = ( )6 3	23 = ( )30 20
34 = ( )8 6	58 = ( )32 20	810 = 45
1836 = 12	34 = ( )20 15	624 = 14
12 = ( )18 9	13 = ( )12 4	45 = ( )45 36
2442 = 47	25 = ( )40 16	26 = ( )30 10
12 = ( )8 4	12 = ( )18 9	1216 = 34
915 = 35	35 = ( )35 21	824 = 13
37 = ( )63 27	79 = ( )45 35	23 = ( )33 22
13 = ( )15 5	24 = ( )36 18	836 = 29
69 = 23	12 = ( )8 4	36 = ( )18 9
420 = 15	68 = ( )72 54

25 = 1435	416 = 14	13 = 412
23 = 812	46 = 1218	13 = 618
820 = 25	424 = 16	17 = 428
34 = 912	1035 = 27	68 = 2432
17 = 963	1218 = 23	515 = 13
23 = 1421	26 = 1236	48 = 1224
12 = 612	12 = 36	23 = 2030
34 = 68	58 = 2032	810 = 45
1836 = 12	34 = 1520	624 = 14
12 = 918	13 = 412	45 = 3645
2442 = 47	25 = 1640	26 = 1030
12 = 48	12 = 918	1216 = 34
915 = 35	35 = 2135	824 = 13
37 = 2763	79 = 3545	23 = 2233
13 = 515	24 = 1836	836 = 29
69 = 23	12 = 48	36 = 918
420 = 15	68 = 5472