(1) (2) 1
0.9 0.7 0.5 0.3 0.1 2
3
(1) (a), 4
(b) (a), (c) (a) 0.9 0.7 0.5 0.3 0.1 (b) (d),(e) (f) (g) (h) (a) (i) (g) (h) (j) (i) 5
(2) 6
(3) (A) (B) (A)+(B) n 1,000 1,000 2,000 n+1 970 970 1,940 3.0% n+2 941 941 1,882 3.0% n+3 913 913 1,826 3.0% 100 (A)+(B) (A) (B) n 1,100 900 2,000 n+1 1,070 2.7% 870 3.3% 1,940 n+2 1,041 2.7% 841 3.3% 1,882 n+3 1,013 2.7% 813 3.4% 1,826 7
(4) 8
(1) 9
(2) (3) (1) (2) 10
(1) (2) (1) (2) (3) (1) (2) (1) 11