五年级下册 分数的意义和性质（笔算）

13 = ( )15 5	24 = ( )20 10	12 = ( )8 4
515 = 13	56 = ( )12 10	39 = ( )18 6
23 = ( )12 8	1525 = 35	1842 = 37
1218 = 23	1030 = 13	2025 = 45
15 = ( )35 7	13 = ( )6 2	13 = ( )15 5
816 = 12	15 = ( )25 5	1520 = 34
13 = ( )33 11	79 = ( )27 21	57 = ( )14 10
436 = 19	24 = ( )28 14	24 = ( )36 18
13 = ( )15 5	23 = ( )6 4	26 = ( )42 14
642 = 17	23 = ( )15 10	23 = ( )15 10
1824 = 34	13 = ( )15 5	59 = ( )18 10
816 = 12	416 = 14	915 = 35
16 = ( )30 5	13 = ( )24 8	27 = ( )28 8
23 = ( )33 22	1015 = 23	3540 = 78
13 = ( )6 2	12 = ( )6 3	26 = ( )36 12
3045 = 23	836 = 29	45 = ( )25 20
1540 = 38	47 = ( )63 36

13 = 515	24 = 1020	12 = 48
515 = 13	56 = 1012	39 = 618
23 = 812	1525 = 35	1842 = 37
1218 = 23	1030 = 13	2025 = 45
15 = 735	13 = 26	13 = 515
816 = 12	15 = 525	1520 = 34
13 = 1133	79 = 2127	57 = 1014
436 = 19	24 = 1428	24 = 1836
13 = 515	23 = 46	26 = 1442
642 = 17	23 = 1015	23 = 1015
1824 = 34	13 = 515	59 = 1018
816 = 12	416 = 14	915 = 35
16 = 530	13 = 824	27 = 828
23 = 2233	1015 = 23	3540 = 78
13 = 26	12 = 36	26 = 1236
3045 = 23	836 = 29	45 = 2025
1540 = 38	47 = 3663