五年级下册 分数的意义和性质（笔算）

14 = ( )8 2	2436 = 23	13 = ( )21 7
58 = ( )24 15	27 = ( )14 4	69 = ( )27 18
810 = 45	1216 = 34	1236 = 13
13 = ( )21 7	23 = ( )12 8	57 = ( )63 45
436 = 19	12 = ( )6 3	46 = 23
23 = ( )24 16	12 = ( )6 3	12 = ( )12 6
38 = ( )72 27	18 = ( )16 2	48 = 12
424 = 16	820 = 25	312 = 14
12 = ( )10 5	59 = ( )27 15	45 = ( )30 24
45 = ( )10 8	13 = ( )15 5	23 = ( )18 12
416 = 14	13 = ( )15 5	23 = ( )9 6
1035 = 27	2028 = 57	23 = ( )24 16
1854 = 13	12 = ( )18 9	1632 = 12
12 = ( )10 5	3054 = 59	24 = ( )28 14
25 = ( )25 10	1015 = 23	17 = ( )14 2
2454 = 49	23 = ( )24 16	28 = ( )72 18
25 = ( )30 12	16 = ( )12 2

14 = 28	2436 = 23	13 = 721
58 = 1524	27 = 414	69 = 1827
810 = 45	1216 = 34	1236 = 13
13 = 721	23 = 812	57 = 4563
436 = 19	12 = 36	46 = 23
23 = 1624	12 = 36	12 = 612
38 = 2772	18 = 216	48 = 12
424 = 16	820 = 25	312 = 14
12 = 510	59 = 1527	45 = 2430
45 = 810	13 = 515	23 = 1218
416 = 14	13 = 515	23 = 69
1035 = 27	2028 = 57	23 = 1624
1854 = 13	12 = 918	1632 = 12
12 = 510	3054 = 59	24 = 1428
25 = 1025	1015 = 23	17 = 214
2454 = 49	23 = 1624	28 = 1872
25 = 1230	16 = 212