五年级下册 分数的意义和性质（笔算）

624 = 14	1540 = 38	2530 = 56
12 = ( )8 4	525 = 15	36 = ( )30 15
23 = ( )12 8	13 = ( )33 11	627 = 29
13 = ( )33 11	1821 = 67	3642 = 67
13 = ( )15 5	16 = ( )30 5	12 = ( )10 5
13 = ( )21 7	24 = ( )36 18	26 = 13
57 = ( )56 40	1030 = 13	1545 = 13
56 = ( )42 35	45 = ( )35 28	23 = ( )21 14
23 = ( )24 16	37 = ( )35 15	13 = ( )21 7
1527 = 59	530 = 16	416 = 14
1830 = 35	13 = ( )12 4	630 = 15
23 = ( )18 12	12 = ( )18 9	23 = ( )6 4
13 = ( )21 7	23 = ( )21 14	17 = ( )56 8
36 = ( )18 9	14 = ( )8 2	13 = ( )30 10
35 = ( )20 12	46 = 23	19 = ( )27 3
212 = 16	13 = ( )12 4	16 = ( )42 7
24 = ( )20 10	321 = 17

624 = 14	1540 = 38	2530 = 56
12 = 48	525 = 15	36 = 1530
23 = 812	13 = 1133	627 = 29
13 = 1133	1821 = 67	3642 = 67
13 = 515	16 = 530	12 = 510
13 = 721	24 = 1836	26 = 13
57 = 4056	1030 = 13	1545 = 13
56 = 3542	45 = 2835	23 = 1421
23 = 1624	37 = 1535	13 = 721
1527 = 59	530 = 16	416 = 14
1830 = 35	13 = 412	630 = 15
23 = 1218	12 = 918	23 = 46
13 = 721	23 = 1421	17 = 856
36 = 918	14 = 28	13 = 1030
35 = 1220	46 = 23	19 = 327
212 = 16	13 = 412	16 = 742
24 = 1020	321 = 17