五年级下册 分数的意义和性质（笔算）

15 = ( )25 5	34 = ( )20 15	1216 = 34
324 = 18	13 = ( )15 5	515 = 13
17 = ( )63 9	27 = ( )28 8	15 = ( )35 7
26 = 13	14 = ( )20 5	15 = ( )15 3
23 = ( )33 22	35 = ( )20 12	59 = ( )54 30
35 = ( )30 18	28 = ( )32 8	68 = 34
49 = ( )18 8	34 = ( )12 9	23 = ( )12 8
34 = ( )8 6	2436 = 23	34 = ( )36 27
12 = ( )12 6	23 = ( )33 22	46 = ( )30 20
34 = ( )8 6	12 = ( )6 3	57 = ( )56 40
89 = ( )18 16	36 = ( )18 9	23 = ( )24 16
45 = ( )45 36	47 = ( )63 36	45 = ( )15 12
1236 = 13	214 = 17	14 = ( )28 7
35 = ( )45 27	624 = 14	1535 = 37
24 = ( )24 12	610 = 35	515 = 13
321 = 17	3042 = 57	1527 = 59
312 = 14	13 = ( )15 5

15 = 525	34 = 1520	1216 = 34
324 = 18	13 = 515	515 = 13
17 = 963	27 = 828	15 = 735
26 = 13	14 = 520	15 = 315
23 = 2233	35 = 1220	59 = 3054
35 = 1830	28 = 832	68 = 34
49 = 818	34 = 912	23 = 812
34 = 68	2436 = 23	34 = 2736
12 = 612	23 = 2233	46 = 2030
34 = 68	12 = 36	57 = 4056
89 = 1618	36 = 918	23 = 1624
45 = 3645	47 = 3663	45 = 1215
1236 = 13	214 = 17	14 = 728
35 = 2745	624 = 14	1535 = 37
24 = 1224	610 = 35	515 = 13
321 = 17	3042 = 57	1527 = 59
312 = 14	13 = 515