✔ 最佳答案
5分之四除以8等於
4/5 8 = (4/8) / 5 = (1/2) / 5 = 1/10
8分之21除以14等於
21/8 14 = (21/14) / 8 = (3/2) / 8 = 3/16
6又4分之3除18等於
6 (3/4 18 = 27/4 18 =
(27/18) /4 = (3/2) /4 = 3/8
12分之10除以12分之5等於
10/12 5/12 = 2
20分之18除以20分之3等於
18/20 3/20 = 6
2又4分之3除以1又4分之1
2) 3/4 1) 1/4 = 11/4 5/4 = 11/5
2009-12-16 18:51:40 補充:
5分之四除以8等於
4/5 除以 8 = (4/8) / 5 = (1/2) / 5 = 1/10
8分之21除以14等於
21/8 除以 14 = (21/14) / 8 = (3/2) / 8 = 3/16
6又4分之3除18等於
6 (3/4 除以 18 = 27/4 18 =
(27/18) /4 = (3/2) /4 = 3/8
12分之10除以12分之5等於
10/12 除以 5/12 = 2
20分之18除以20分之3等於
18/20 除以 3/20 = 6
2又4分之3除以1又4分之1
2) 3/4 除以 1) 1/4 = 11/4 5/4 = 11/5