五年级下册 分数的意义和性质（笔算）

45 = ( )35 28	56 = ( )18 15	3236 = 89
24 = ( )28 14	25 = ( )35 14	35 = ( )30 18
1220 = 35	1230 = 25	56 = ( )30 25
1220 = 35	13 = ( )15 5	14 = ( )8 2
1624 = 23	812 = 23	35 = ( )10 6
13 = ( )24 8	820 = 25	13 = ( )15 5
12 = ( )10 5	410 = 25	34 = ( )12 9
13 = ( )30 10	12 = ( )18 9	35 = ( )15 9
78 = ( )32 28	2035 = 47	14 = ( )28 7
19 = ( )54 6	412 = 13	28 = ( )16 4
12 = ( )10 5	1012 = 56	23 = ( )24 16
420 = 15	1020 = 12	13 = ( )15 5
36 = ( )30 15	410 = 25	1527 = 59
3648 = 34	1521 = 57	2436 = 23
2030 = 23	525 = 15	35 = ( )30 18
12 = ( )4 2	12 = ( )4 2	416 = 14
57 = ( )56 40	515 = 13

45 = 2835	56 = 1518	3236 = 89
24 = 1428	25 = 1435	35 = 1830
1220 = 35	1230 = 25	56 = 2530
1220 = 35	13 = 515	14 = 28
1624 = 23	812 = 23	35 = 610
13 = 824	820 = 25	13 = 515
12 = 510	410 = 25	34 = 912
13 = 1030	12 = 918	35 = 915
78 = 2832	2035 = 47	14 = 728
19 = 654	412 = 13	28 = 416
12 = 510	1012 = 56	23 = 1624
420 = 15	1020 = 12	13 = 515
36 = 1530	410 = 25	1527 = 59
3648 = 34	1521 = 57	2436 = 23
2030 = 23	525 = 15	35 = 1830
12 = 24	12 = 24	416 = 14
57 = 4056	515 = 13