优质解答
1:73×5= 2:62×2= 3:37×7= 4:11×7= 5:83×7= 6:14×4= 7:87×7= 8:43×9= 9:88×0= 10:95×3= 11:57×7= 12:14×5= 13:52×2= 14:66×6= 15:33×2= 16:84×8= 17:63×9= 18:91×2= 19:72×9= 20:31×5= 21:19×9=...
1:73×5= 2:62×2= 3:37×7= 4:11×7= 5:83×7= 6:14×4= 7:87×7= 8:43×9= 9:88×0= 10:95×3= 11:57×7= 12:14×5= 13:52×2= 14:66×6= 15:33×2= 16:84×8= 17:63×9= 18:91×2= 19:72×9= 20:31×5= 21:19×9=...