五年级下册 分数的意义和性质（笔算）

69 = ( )45 30	45 = ( )25 20	25 = ( )40 16
615 = 25	24 = ( )36 18	2442 = 47
13 = ( )15 5	23 = ( )15 10	24 = ( )24 12
13 = ( )33 11	37 = ( )35 15	45 = ( )40 32
28 = 14	13 = ( )15 5	35 = ( )15 9
530 = 16	1215 = 45	25 = ( )35 14
24 = ( )36 18	49 = ( )36 16	17 = ( )21 3
24 = ( )20 10	23 = ( )12 8	612 = 12
45 = ( )35 28	48 = 12	23 = ( )12 8
13 = ( )30 10	34 = ( )20 15	34 = ( )16 12
67 = ( )63 54	17 = ( )63 9	13 = ( )12 4
23 = ( )21 14	24 = ( )36 18	14 = ( )24 6
13 = ( )12 4	23 = ( )15 10	12 = ( )4 2
12 = ( )6 3	17 = ( )63 9	27 = ( )21 6
45 = ( )30 24	13 = ( )30 10	23 = ( )12 8
37 = ( )56 24	1824 = 34	24 = ( )36 18
210 = 15	37 = ( )56 24

69 = 3045	45 = 2025	25 = 1640
615 = 25	24 = 1836	2442 = 47
13 = 515	23 = 1015	24 = 1224
13 = 1133	37 = 1535	45 = 3240
28 = 14	13 = 515	35 = 915
530 = 16	1215 = 45	25 = 1435
24 = 1836	49 = 1636	17 = 321
24 = 1020	23 = 812	612 = 12
45 = 2835	48 = 12	23 = 812
13 = 1030	34 = 1520	34 = 1216
67 = 5463	17 = 963	13 = 412
23 = 1421	24 = 1836	14 = 624
13 = 412	23 = 1015	12 = 24
12 = 36	17 = 963	27 = 621
45 = 2430	13 = 1030	23 = 812
37 = 2456	1824 = 34	24 = 1836
210 = 15	37 = 2456