五年级下册 分数的意义和性质（笔算）

34 = ( )28 21	69 = ( )27 18	46 = ( )42 28
1618 = 89	67 = ( )63 54	49 = ( )36 16
210 = 15	618 = 13	13 = ( )21 7
23 = ( )24 16	46 = 23	17 = ( )28 4
35 = ( )40 24	212 = 16	1830 = 35
23 = ( )30 20	13 = ( )24 8	45 = ( )35 28
3042 = 57	23 = ( )12 8	615 = 25
23 = ( )24 16	816 = 12	1545 = 13
46 = 23	1220 = 35	218 = 19
67 = ( )21 18	1215 = 45	12 = ( )6 3
67 = ( )42 36	1620 = 45	23 = ( )9 6
1216 = 34	12 = ( )6 3	35 = ( )30 18
45 = ( )40 32	13 = ( )6 2	79 = ( )27 21
13 = ( )30 10	36 = ( )42 21	1018 = 59
615 = 25	13 = ( )9 3	57 = ( )56 40
1848 = 38	45 = ( )45 36	1242 = 27
15 = ( )30 6	36 = ( )12 6

34 = 2128	69 = 1827	46 = 2842
1618 = 89	67 = 5463	49 = 1636
210 = 15	618 = 13	13 = 721
23 = 1624	46 = 23	17 = 428
35 = 2440	212 = 16	1830 = 35
23 = 2030	13 = 824	45 = 2835
3042 = 57	23 = 812	615 = 25
23 = 1624	816 = 12	1545 = 13
46 = 23	1220 = 35	218 = 19
67 = 1821	1215 = 45	12 = 36
67 = 3642	1620 = 45	23 = 69
1216 = 34	12 = 36	35 = 1830
45 = 3240	13 = 26	79 = 2127
13 = 1030	36 = 2142	1018 = 59
615 = 25	13 = 39	57 = 4056
1848 = 38	45 = 3645	1242 = 27
15 = 630	36 = 612