五年级下册 分数的意义和性质（笔算）

23 = ( )30 20	47 = ( )63 36	23 = ( )33 22
15 = ( )40 8	46 = ( )24 16	14 = ( )24 6
46 = ( )24 16	13 = ( )24 8	24 = ( )20 10
45 = ( )20 16	12 = ( )6 3	15 = ( )40 8
912 = 34	13 = ( )12 4	24 = ( )20 10
1416 = 78	1230 = 25	23 = ( )18 12
2032 = 58	29 = ( )45 10	23 = ( )12 8
45 = ( )15 12	1224 = 12	12 = ( )8 4
12 = ( )6 3	18 = ( )32 4	412 = 13
13 = ( )15 5	25 = ( )30 12	1545 = 13
68 = 34	2430 = 45	35 = ( )30 18
3040 = 34	12 = ( )6 3	45 = ( )15 12
12 = ( )10 5	12 = ( )6 3	35 = ( )40 24
13 = ( )12 4	12 = ( )10 5	1525 = 35
35 = ( )15 9	67 = ( )63 54	1521 = 57
15 = ( )40 8	12 = ( )6 3	18 = ( )16 2
67 = ( )42 36	13 = ( )15 5

23 = 2030	47 = 3663	23 = 2233
15 = 840	46 = 1624	14 = 624
46 = 1624	13 = 824	24 = 1020
45 = 1620	12 = 36	15 = 840
912 = 34	13 = 412	24 = 1020
1416 = 78	1230 = 25	23 = 1218
2032 = 58	29 = 1045	23 = 812
45 = 1215	1224 = 12	12 = 48
12 = 36	18 = 432	412 = 13
13 = 515	25 = 1230	1545 = 13
68 = 34	2430 = 45	35 = 1830
3040 = 34	12 = 36	45 = 1215
12 = 510	12 = 36	35 = 2440
13 = 412	12 = 510	1525 = 35
35 = 915	67 = 5463	1521 = 57
15 = 840	12 = 36	18 = 216
67 = 3642	13 = 515