五年级下册 分数的意义和性质（笔算）

12 = ( )8 4	12 = ( )6 3	78 = ( )48 42
17 = ( )63 9	56 = ( )36 30	1218 = 23
45 = ( )35 28	69 = 23	16 = ( )24 4
1636 = 49	56 = ( )36 30	618 = 13
321 = 17	1248 = 14	25 = ( )45 18
46 = ( )12 8	12 = ( )6 3	16 = ( )42 7
1030 = 13	25 = ( )15 6	12 = ( )18 9
47 = ( )63 36	16 = ( )36 6	618 = 13
17 = ( )21 3	2032 = 58	1025 = 25
14 = ( )28 7	57 = ( )35 25	15 = ( )45 9
14 = ( )20 5	23 = ( )21 14	35 = ( )35 21
47 = ( )56 32	14 = ( )20 5	48 = ( )72 36
13 = ( )30 10	428 = 17	810 = 45
412 = 13	1218 = 23	12 = ( )18 9
69 = ( )54 36	14 = ( )28 7	1218 = 23
12 = ( )12 6	13 = ( )33 11	627 = 29
36 = ( )12 6	13 = ( )15 5

12 = 48	12 = 36	78 = 4248
17 = 963	56 = 3036	1218 = 23
45 = 2835	69 = 23	16 = 424
1636 = 49	56 = 3036	618 = 13
321 = 17	1248 = 14	25 = 1845
46 = 812	12 = 36	16 = 742
1030 = 13	25 = 615	12 = 918
47 = 3663	16 = 636	618 = 13
17 = 321	2032 = 58	1025 = 25
14 = 728	57 = 2535	15 = 945
14 = 520	23 = 1421	35 = 2135
47 = 3256	14 = 520	48 = 3672
13 = 1030	428 = 17	810 = 45
412 = 13	1218 = 23	12 = 918
69 = 3654	14 = 728	1218 = 23
12 = 612	13 = 1133	627 = 29
36 = 612	13 = 515