五年级下册 分数的意义和性质（笔算）

57 = ( )56 40	624 = 14	12 = ( )6 3
614 = 37	2436 = 23	12 = ( )6 3
1628 = 47	45 = ( )10 8	35 = ( )25 15
23 = ( )33 22	25 = ( )10 4	25 = ( )30 12
1827 = 23	34 = ( )36 27	1527 = 59
525 = 15	23 = ( )33 22	13 = ( )12 4
23 = ( )30 20	27 = ( )56 16	2436 = 23
46 = ( )30 20	34 = ( )16 12	624 = 14
69 = ( )45 30	17 = ( )56 8	12 = ( )6 3
2832 = 78	34 = ( )12 9	1030 = 13
56 = ( )24 20	818 = 49	29 = ( )45 10
45 = ( )35 28	48 = ( )16 8	35 = ( )35 21
1218 = 23	29 = ( )45 10	1230 = 25
12 = ( )18 9	48 = 12	14 = ( )24 6
34 = ( )36 27	23 = ( )15 10	618 = 13
1620 = 45	520 = 14	37 = ( )21 9
13 = ( )24 8	47 = ( )56 32

57 = 4056	624 = 14	12 = 36
614 = 37	2436 = 23	12 = 36
1628 = 47	45 = 810	35 = 1525
23 = 2233	25 = 410	25 = 1230
1827 = 23	34 = 2736	1527 = 59
525 = 15	23 = 2233	13 = 412
23 = 2030	27 = 1656	2436 = 23
46 = 2030	34 = 1216	624 = 14
69 = 3045	17 = 856	12 = 36
2832 = 78	34 = 912	1030 = 13
56 = 2024	818 = 49	29 = 1045
45 = 2835	48 = 816	35 = 2135
1218 = 23	29 = 1045	1230 = 25
12 = 918	48 = 12	14 = 624
34 = 2736	23 = 1015	618 = 13
1620 = 45	520 = 14	37 = 921
13 = 824	47 = 3256