五年级下册 分数的意义和性质（笔算）

14 = ( )20 5	24 = ( )20 10	47 = ( )28 16
59 = ( )45 25	13 = ( )33 11	46 = 23
78 = ( )72 63	812 = 23	57 = ( )21 15
324 = 18	25 = ( )30 12	58 = ( )24 15
13 = ( )9 3	67 = ( )14 12	23 = ( )21 14
23 = ( )6 4	2448 = 12	14 = ( )28 7
69 = 23	13 = ( )15 5	25 = ( )30 12
13 = ( )33 11	47 = ( )35 20	24 = ( )16 8
19 = ( )36 4	12 = ( )6 3	12 = ( )4 2
16 = ( )12 2	2025 = 45	14 = ( )8 2
57 = ( )56 40	35 = ( )25 15	13 = ( )9 3
36 = ( )42 21	45 = ( )20 16	216 = 18
812 = 23	1216 = 34	69 = 23
13 = ( )12 4	19 = ( )54 6	69 = 23
324 = 18	3054 = 59	47 = ( )42 24
17 = ( )63 9	23 = ( )24 16	12 = ( )8 4
12 = ( )18 9	26 = ( )30 10

14 = 520	24 = 1020	47 = 1628
59 = 2545	13 = 1133	46 = 23
78 = 6372	812 = 23	57 = 1521
324 = 18	25 = 1230	58 = 1524
13 = 39	67 = 1214	23 = 1421
23 = 46	2448 = 12	14 = 728
69 = 23	13 = 515	25 = 1230
13 = 1133	47 = 2035	24 = 816
19 = 436	12 = 36	12 = 24
16 = 212	2025 = 45	14 = 28
57 = 4056	35 = 1525	13 = 39
36 = 2142	45 = 1620	216 = 18
812 = 23	1216 = 34	69 = 23
13 = 412	19 = 654	69 = 23
324 = 18	3054 = 59	47 = 2442
17 = 963	23 = 1624	12 = 48
12 = 918	26 = 1030