五年级下册 分数的意义和性质（笔算）

810 = 45	15 = ( )20 4	610 = 35
34 = ( )28 21	16 = ( )36 6	3036 = 56
3545 = 79	37 = ( )42 18	616 = 38
38 = ( )72 27	1025 = 25	1836 = 12
23 = ( )15 10	2025 = 45	15 = ( )30 6
46 = ( )42 28	78 = ( )32 28	78 = ( )72 63
69 = ( )36 24	35 = ( )25 15	23 = ( )12 8
3036 = 56	35 = ( )45 27	615 = 25
36 = ( )18 9	13 = ( )30 10	26 = ( )18 6
23 = ( )33 22	58 = ( )72 45	315 = 15
78 = ( )16 14	24 = ( )8 4	59 = ( )54 30
318 = 16	3654 = 23	2530 = 56
412 = 13	23 = ( )30 20	812 = 23
23 = ( )21 14	24 = ( )28 14	48 = 12
23 = ( )12 8	16 = ( )30 5	515 = 13
23 = ( )9 6	29 = ( )36 8	24 = ( )20 10
57 = ( )56 40	46 = ( )24 16

810 = 45	15 = 420	610 = 35
34 = 2128	16 = 636	3036 = 56
3545 = 79	37 = 1842	616 = 38
38 = 2772	1025 = 25	1836 = 12
23 = 1015	2025 = 45	15 = 630
46 = 2842	78 = 2832	78 = 6372
69 = 2436	35 = 1525	23 = 812
3036 = 56	35 = 2745	615 = 25
36 = 918	13 = 1030	26 = 618
23 = 2233	58 = 4572	315 = 15
78 = 1416	24 = 48	59 = 3054
318 = 16	3654 = 23	2530 = 56
412 = 13	23 = 2030	812 = 23
23 = 1421	24 = 1428	48 = 12
23 = 812	16 = 530	515 = 13
23 = 69	29 = 836	24 = 1020
57 = 4056	46 = 1624