(2) Proper
(3) Proper
(4) Improper
(5) Proper
(6) Mixed
b. (1) 2 = 1 (2 : 2 = 1)
8 4 (8 : 2 = 4)
(2) 25 = 1 (25 : 25 = 1)
75 3 (75 : 25 = 3)
(3) 3 = 1 (3 : 3 = 1)
9 3 (9 : 3 = 3)
(4) 8 = 1
(8 : 8 = 1)
32 4
(32 : 8 = 4)
(5) 5 = 1 (5 : 5 = 1)
15 3 (15 : 5 = 3)
(6) 6 = 1 (6 : 6 = 1)
18 3 (18 : 6 = 3)
c.
(1) 4 = 2 (4 : 2 = 2)
2
(2) 30 = 6 (30 : 5 = 6)
5
(3) 14 = 1 1 (14 : 12 = 1 1)
12
6
6
(4) 9 = 1 2 (9 : 7 = 1 2)
7
7
7
(5) 15 = 1 1 (15 : 10 = 1 1)
10
2
2
(6) 9 = 1 1 (9 : 6 = 1 1)
6
2
2
MD0904
1-16