五年级下册 分数的意义和性质（笔算）

68 = ( )48 36	23 = ( )24 16	13 = ( )9 3
38 = ( )32 12	12 = ( )10 5	35 = ( )30 18
1836 = 12	34 = ( )36 27	37 = ( )28 12
624 = 14	1524 = 58	13 = ( )30 10
1848 = 38	25 = ( )10 4	13 = ( )24 8
2428 = 67	38 = ( )72 27	13 = ( )24 8
45 = ( )35 28	3035 = 67	39 = ( )45 15
25 = ( )30 12	17 = ( )21 3	28 = 14
642 = 17	57 = ( )63 45	67 = ( )56 48
13 = ( )24 8	19 = ( )27 3	59 = ( )45 25
615 = 25	26 = ( )24 8	23 = ( )18 12
23 = ( )12 8	67 = ( )14 12	45 = ( )40 32
1218 = 23	210 = 15	924 = 38
535 = 17	535 = 17	1535 = 37
2428 = 67	315 = 15	1636 = 49
12 = ( )10 5	19 = ( )18 2	13 = ( )24 8
23 = ( )15 10	1254 = 29

68 = 3648	23 = 1624	13 = 39
38 = 1232	12 = 510	35 = 1830
1836 = 12	34 = 2736	37 = 1228
624 = 14	1524 = 58	13 = 1030
1848 = 38	25 = 410	13 = 824
2428 = 67	38 = 2772	13 = 824
45 = 2835	3035 = 67	39 = 1545
25 = 1230	17 = 321	28 = 14
642 = 17	57 = 4563	67 = 4856
13 = 824	19 = 327	59 = 2545
615 = 25	26 = 824	23 = 1218
23 = 812	67 = 1214	45 = 3240
1218 = 23	210 = 15	924 = 38
535 = 17	535 = 17	1535 = 37
2428 = 67	315 = 15	1636 = 49
12 = 510	19 = 218	13 = 824
23 = 1015	1254 = 29