五年级下册 分数的意义和性质（笔算）

14 = ( )20 5	15 = ( )45 9	4248 = 78
13 = ( )30 10	36 = ( )42 21	67 = ( )42 36
3648 = 34	13 = ( )21 7	23 = ( )24 16
13 = ( )30 10	48 = ( )40 20	16 = ( )36 6
14 = ( )36 9	836 = 29	414 = 27
1824 = 34	36 = ( )42 21	59 = ( )18 10
3036 = 56	321 = 17	36 = ( )18 9
13 = ( )21 7	24 = ( )24 12	35 = ( )25 15
35 = ( )40 24	618 = 13	2024 = 56
45 = ( )40 32	4854 = 89	1824 = 34
515 = 13	13 = ( )6 2	25 = ( )45 18
315 = 15	13 = ( )12 4	13 = ( )33 11
67 = ( )21 18	48 = ( )72 36	36 = ( )42 21
25 = ( )35 14	2530 = 56	12 = ( )12 6
37 = ( )63 27	14 = ( )20 5	1836 = 12
2836 = 79	15 = ( )15 3	2832 = 78
12 = ( )10 5	45 = ( )30 24

14 = 520	15 = 945	4248 = 78
13 = 1030	36 = 2142	67 = 3642
3648 = 34	13 = 721	23 = 1624
13 = 1030	48 = 2040	16 = 636
14 = 936	836 = 29	414 = 27
1824 = 34	36 = 2142	59 = 1018
3036 = 56	321 = 17	36 = 918
13 = 721	24 = 1224	35 = 1525
35 = 2440	618 = 13	2024 = 56
45 = 3240	4854 = 89	1824 = 34
515 = 13	13 = 26	25 = 1845
315 = 15	13 = 412	13 = 1133
67 = 1821	48 = 3672	36 = 2142
25 = 1435	2530 = 56	12 = 612
37 = 2763	14 = 520	1836 = 12
2836 = 79	15 = 315	2832 = 78
12 = 510	45 = 2430