五年级数学下册约分练习题集(一)
2436 = 6480 = 3549 = 2870 = 5795 =
2691 = 5168 = 1640 = 5481 = 7595 =
1236 = 1680 = 3248 = 3036 = 7296 =
2056 = 2560 = 3978 = 1845 = 5776 =
1536 = 7590 = 2464 = 2848 = 3075 =
3236 = 3680 = 4072 = 4270 = 4580 =
4682 = 4884 = 5075 = 5185 = 5290 =
1036 = 1260 = 1449 = 1664 = 1881 =
1248 = 1256 = 1272 = 1648 = 1890 =
2036 = 2075 = 2580 = 3075 = 2891 =
3048 = 1575 = 2575 = 3248 = 3696 =
3664 = 3451 = 3575 = 4270 = 4595 =
4669 = 4880 = 5075 = 5490 = 5696 =
6472 = 6480 = 7281 = 120144 = 144180 =