五年级下册 分数的意义和性质（笔算）

630 = 15	14 = ( )36 9	12 = ( )6 3
13 = ( )30 10	13 = ( )12 4	13 = ( )30 10
24 = ( )36 18	13 = ( )18 6	34 = ( )28 21
540 = 18	25 = ( )40 16	34 = ( )28 21
618 = 13	3654 = 23	34 = ( )20 15
36 = ( )42 21	13 = ( )6 2	24 = ( )20 10
1216 = 34	47 = ( )21 12	12 = ( )8 4
2124 = 78	16 = ( )42 7	12 = ( )8 4
47 = ( )14 8	69 = 23	627 = 29
23 = ( )15 10	1015 = 23	424 = 16
1624 = 23	12 = ( )4 2	420 = 15
13 = ( )9 3	13 = ( )9 3	48 = 12
89 = ( )45 40	12 = ( )10 5	27 = ( )63 18
1016 = 58	24 = ( )8 4	1045 = 29
24 = ( )36 18	34 = ( )36 27	56 = ( )42 35
29 = ( )27 6	1215 = 45	12 = ( )6 3
12 = ( )10 5	12 = ( )12 6

630 = 15	14 = 936	12 = 36
13 = 1030	13 = 412	13 = 1030
24 = 1836	13 = 618	34 = 2128
540 = 18	25 = 1640	34 = 2128
618 = 13	3654 = 23	34 = 1520
36 = 2142	13 = 26	24 = 1020
1216 = 34	47 = 1221	12 = 48
2124 = 78	16 = 742	12 = 48
47 = 814	69 = 23	627 = 29
23 = 1015	1015 = 23	424 = 16
1624 = 23	12 = 24	420 = 15
13 = 39	13 = 39	48 = 12
89 = 4045	12 = 510	27 = 1863
1016 = 58	24 = 48	1045 = 29
24 = 1836	34 = 2736	56 = 3542
29 = 627	1215 = 45	12 = 36
12 = 510	12 = 612