五年级下册 分数的意义和性质（笔算）

812 = 23	12 = ( )10 5	3040 = 34
78 = ( )72 63	46 = ( )12 8	67 = ( )63 54
12 = ( )8 4	45 = ( )40 32	68 = ( )32 24
23 = ( )6 4	46 = 23	3035 = 67
34 = ( )28 21	46 = ( )42 28	23 = ( )30 20
13 = ( )21 7	13 = ( )33 11	26 = ( )42 14
67 = ( )21 18	18 = ( )72 9	26 = ( )42 14
23 = ( )12 8	12 = ( )4 2	2836 = 79
12 = ( )12 6	12 = ( )10 5	1020 = 12
12 = ( )6 3	13 = ( )30 10	78 = ( )72 63
13 = ( )12 4	23 = ( )15 10	2035 = 47
23 = ( )30 20	14 = ( )8 2	37 = ( )56 24
12 = ( )8 4	1418 = 79	24 = ( )8 4
416 = 14	34 = ( )28 21	27 = ( )14 4
23 = ( )21 14	35 = ( )35 21	12 = ( )8 4
1232 = 38	621 = 27	25 = ( )45 18
56 = ( )42 35	315 = 15

812 = 23	12 = 510	3040 = 34
78 = 6372	46 = 812	67 = 5463
12 = 48	45 = 3240	68 = 2432
23 = 46	46 = 23	3035 = 67
34 = 2128	46 = 2842	23 = 2030
13 = 721	13 = 1133	26 = 1442
67 = 1821	18 = 972	26 = 1442
23 = 812	12 = 24	2836 = 79
12 = 612	12 = 510	1020 = 12
12 = 36	13 = 1030	78 = 6372
13 = 412	23 = 1015	2035 = 47
23 = 2030	14 = 28	37 = 2456
12 = 48	1418 = 79	24 = 48
416 = 14	34 = 2128	27 = 414
23 = 1421	35 = 2135	12 = 48
1232 = 38	621 = 27	25 = 1845
56 = 3542	315 = 15