五年级下册 分数的意义和性质（笔算）

28 = ( )72 18	17 = ( )21 3	24 = ( )20 10
78 = ( )24 21	28 = ( )40 10	56 = ( )24 20
12 = ( )10 5	12 = ( )18 9	38 = ( )72 27
12 = ( )6 3	16 = ( )18 3	2035 = 47
14 = ( )20 5	428 = 17	13 = ( )12 4
1012 = 56	23 = ( )21 14	89 = ( )27 24
2427 = 89	612 = 12	23 = ( )12 8
12 = ( )6 3	57 = ( )35 25	34 = ( )36 27
416 = 14	37 = ( )14 6	814 = 47
47 = ( )42 24	23 = ( )24 16	1218 = 23
23 = ( )30 20	3054 = 59	12 = ( )4 2
34 = ( )16 12	56 = ( )18 15	12 = ( )4 2
36 = ( )42 21	321 = 17	12 = ( )6 3
16 = ( )12 2	14 = ( )36 9	23 = ( )6 4
1232 = 38	26 = ( )42 14	12 = ( )12 6
34 = ( )20 15	17 = ( )63 9	16 = ( )18 3
13 = ( )30 10	1221 = 47

28 = 1872	17 = 321	24 = 1020
78 = 2124	28 = 1040	56 = 2024
12 = 510	12 = 918	38 = 2772
12 = 36	16 = 318	2035 = 47
14 = 520	428 = 17	13 = 412
1012 = 56	23 = 1421	89 = 2427
2427 = 89	612 = 12	23 = 812
12 = 36	57 = 2535	34 = 2736
416 = 14	37 = 614	814 = 47
47 = 2442	23 = 1624	1218 = 23
23 = 2030	3054 = 59	12 = 24
34 = 1216	56 = 1518	12 = 24
36 = 2142	321 = 17	12 = 36
16 = 212	14 = 936	23 = 46
1232 = 38	26 = 1442	12 = 612
34 = 1520	17 = 963	16 = 318
13 = 1030	1221 = 47