五年级下册 分数的意义和性质（笔算）

23 = ( )18 12	23 = ( )30 20	27 = ( )28 8
414 = 27	627 = 29	1230 = 25
1018 = 59	13 = ( )21 7	12 = ( )10 5
327 = 19	814 = 47	12 = ( )10 5
23 = ( )33 22	15 = ( )45 9	1628 = 47
545 = 19	23 = ( )33 22	2427 = 89
13 = ( )18 6	318 = 16	621 = 27
24 = ( )16 8	45 = ( )30 24	48 = 12
420 = 15	13 = ( )6 2	2025 = 45
67 = ( )42 36	28 = ( )72 18	56 = ( )30 25
67 = ( )14 12	34 = ( )28 21	836 = 29
17 = ( )42 6	34 = ( )20 15	24 = ( )8 4
12 = ( )10 5	58 = ( )32 20	13 = ( )15 5
1624 = 23	48 = 12	46 = 23
13 = ( )15 5	23 = ( )30 20	23 = ( )12 8
624 = 14	1218 = 23	35 = ( )35 21
56 = ( )12 10	924 = 38

23 = 1218	23 = 2030	27 = 828
414 = 27	627 = 29	1230 = 25
1018 = 59	13 = 721	12 = 510
327 = 19	814 = 47	12 = 510
23 = 2233	15 = 945	1628 = 47
545 = 19	23 = 2233	2427 = 89
13 = 618	318 = 16	621 = 27
24 = 816	45 = 2430	48 = 12
420 = 15	13 = 26	2025 = 45
67 = 3642	28 = 1872	56 = 2530
67 = 1214	34 = 2128	836 = 29
17 = 642	34 = 1520	24 = 48
12 = 510	58 = 2032	13 = 515
1624 = 23	48 = 12	46 = 23
13 = 515	23 = 2030	23 = 812
624 = 14	1218 = 23	35 = 2135
56 = 1012	924 = 38