五年级下册 分数的意义和性质（笔算）

12 = ( )18 9	1040 = 14	89 = ( )36 32
17 = ( )21 3	36 = ( )36 18	23 = ( )21 14
13 = ( )33 11	23 = ( )12 8	1221 = 47
13 = ( )12 4	416 = 14	37 = ( )56 24
34 = ( )36 27	1221 = 47	14 = ( )20 5
3040 = 34	618 = 13	1618 = 89
614 = 37	35 = ( )45 27	49 = ( )18 8
13 = ( )15 5	2530 = 56	46 = ( )18 12
432 = 18	24 = ( )16 8	13 = ( )21 7
1830 = 35	23 = ( )30 20	1836 = 12
820 = 25	614 = 37	17 = ( )56 8
23 = ( )12 8	35 = ( )35 21	16 = ( )24 4
2436 = 23	23 = ( )12 8	1824 = 34
13 = ( )12 4	57 = ( )63 45	25 = ( )35 14
14 = ( )24 6	34 = ( )28 21	824 = 13
46 = 23	13 = ( )15 5	28 = ( )32 8
37 = ( )35 15	16 = ( )36 6

12 = 918	1040 = 14	89 = 3236
17 = 321	36 = 1836	23 = 1421
13 = 1133	23 = 812	1221 = 47
13 = 412	416 = 14	37 = 2456
34 = 2736	1221 = 47	14 = 520
3040 = 34	618 = 13	1618 = 89
614 = 37	35 = 2745	49 = 818
13 = 515	2530 = 56	46 = 1218
432 = 18	24 = 816	13 = 721
1830 = 35	23 = 2030	1836 = 12
820 = 25	614 = 37	17 = 856
23 = 812	35 = 2135	16 = 424
2436 = 23	23 = 812	1824 = 34
13 = 412	57 = 4563	25 = 1435
14 = 624	34 = 2128	824 = 13
46 = 23	13 = 515	28 = 832
37 = 1535	16 = 636