五年级下册 分数的意义和性质（笔算）

23 = ( )33 22	2442 = 47	13 = ( )6 2
12 = ( )10 5	34 = ( )20 15	12 = ( )6 3
78 = ( )32 28	1628 = 47	15 = ( )15 3
15 = ( )45 9	3540 = 78	45 = ( )20 16
18 = ( )16 2	13 = ( )18 6	28 = 14
26 = ( )30 10	918 = 12	520 = 14
23 = ( )15 10	69 = ( )54 36	14 = ( )20 5
12 = ( )18 9	13 = ( )12 4	1218 = 23
13 = ( )30 10	28 = ( )24 6	24 = ( )36 18
23 = ( )15 10	46 = ( )42 28	39 = 13
34 = ( )12 9	16 = ( )42 7	820 = 25
45 = ( )40 32	18 = ( )24 3	12 = ( )8 4
78 = ( )32 28	26 = 13	12 = ( )12 6
23 = ( )15 10	23 = ( )21 14	36 = ( )42 21
1636 = 49	35 = ( )30 18	48 = ( )72 36
34 = ( )36 27	67 = ( )63 54	19 = ( )27 3
23 = ( )12 8	915 = 35

23 = 2233	2442 = 47	13 = 26
12 = 510	34 = 1520	12 = 36
78 = 2832	1628 = 47	15 = 315
15 = 945	3540 = 78	45 = 1620
18 = 216	13 = 618	28 = 14
26 = 1030	918 = 12	520 = 14
23 = 1015	69 = 3654	14 = 520
12 = 918	13 = 412	1218 = 23
13 = 1030	28 = 624	24 = 1836
23 = 1015	46 = 2842	39 = 13
34 = 912	16 = 742	820 = 25
45 = 3240	18 = 324	12 = 48
78 = 2832	26 = 13	12 = 612
23 = 1015	23 = 1421	36 = 2142
1636 = 49	35 = 1830	48 = 3672
34 = 2736	67 = 5463	19 = 327
23 = 812	915 = 35