五年级下册 分数的意义和性质（笔算）

23 = ( )9 6	23 = ( )18 12	14 = ( )20 5
428 = 17	56 = ( )18 15	23 = ( )30 20
2545 = 59	814 = 47	79 = ( )45 35
26 = ( )42 14	12 = ( )4 2	210 = 15
12 = ( )12 6	816 = 12	621 = 27
24 = ( )28 14	12 = ( )12 6	12 = ( )10 5
12 = ( )6 3	612 = 12	12 = ( )18 9
1218 = 23	1227 = 49	1025 = 25
12 = ( )6 3	412 = 13	15 = ( )20 4
912 = 34	37 = ( )14 6	34 = ( )28 21
78 = ( )24 21	67 = ( )56 48	37 = ( )63 27
14 = ( )20 5	23 = ( )12 8	816 = 12
27 = ( )63 18	35 = ( )30 18	3036 = 56
27 = ( )42 12	12 = ( )6 3	2442 = 47
37 = ( )14 6	28 = ( )32 8	16 = ( )36 6
17 = ( )56 8	49 = ( )45 20	12 = ( )10 5
1224 = 12	23 = ( )12 8

23 = 69	23 = 1218	14 = 520
428 = 17	56 = 1518	23 = 2030
2545 = 59	814 = 47	79 = 3545
26 = 1442	12 = 24	210 = 15
12 = 612	816 = 12	621 = 27
24 = 1428	12 = 612	12 = 510
12 = 36	612 = 12	12 = 918
1218 = 23	1227 = 49	1025 = 25
12 = 36	412 = 13	15 = 420
912 = 34	37 = 614	34 = 2128
78 = 2124	67 = 4856	37 = 2763
14 = 520	23 = 812	816 = 12
27 = 1863	35 = 1830	3036 = 56
27 = 1242	12 = 36	2442 = 47
37 = 614	28 = 832	16 = 636
17 = 856	49 = 2045	12 = 510
1224 = 12	23 = 812