五年级下册 分数的意义和性质（笔算）

23 = ( )30 20	24 = ( )36 18	26 = ( )18 6
1218 = 23	416 = 14	12 = ( )10 5
56 = ( )42 35	13 = ( )6 2	12 = ( )6 3
12 = ( )8 4	816 = 12	26 = 13
68 = ( )40 30	24 = ( )20 10	525 = 15
67 = ( )63 54	3648 = 34	4248 = 78
13 = ( )33 11	12 = ( )6 3	39 = 13
13 = ( )30 10	35 = ( )40 24	48 = 12
12 = ( )8 4	520 = 14	15 = ( )15 3
12 = ( )6 3	58 = ( )32 20	23 = ( )33 22
1045 = 29	46 = ( )12 8	57 = ( )63 45
515 = 13	57 = ( )42 30	12 = ( )10 5
816 = 12	38 = ( )16 6	15 = ( )40 8
34 = ( )36 27	45 = ( )45 36	816 = 12
1854 = 13	29 = ( )27 6	1218 = 23
39 = 13	69 = 23	16 = ( )12 2
12 = ( )8 4	78 = ( )24 21

23 = 2030	24 = 1836	26 = 618
1218 = 23	416 = 14	12 = 510
56 = 3542	13 = 26	12 = 36
12 = 48	816 = 12	26 = 13
68 = 3040	24 = 1020	525 = 15
67 = 5463	3648 = 34	4248 = 78
13 = 1133	12 = 36	39 = 13
13 = 1030	35 = 2440	48 = 12
12 = 48	520 = 14	15 = 315
12 = 36	58 = 2032	23 = 2233
1045 = 29	46 = 812	57 = 4563
515 = 13	57 = 3042	12 = 510
816 = 12	38 = 616	15 = 840
34 = 2736	45 = 3645	816 = 12
1854 = 13	29 = 627	1218 = 23
39 = 13	69 = 23	16 = 212
12 = 48	78 = 2124