A |
B |
C |
D |
E | |
A |
- |
3 |
6 |
10 |
13 |
B |
- |
- |
5 |
9 |
12 |
C |
- |
- |
- |
10 |
13 |
D |
- |
- |
- |
- |
9 |
E |
- |
- |
- |
- |
- |
A |
B |
AVE CDE | |
A |
- |
3 |
29/3 |
B |
- |
- |
26/3 |
AVE CDE |
- |
- |
- |
a+b=3 ①
a+m=29/3 ②
b+m=26/3 ③
解,得
a=2
b=1
C |
D |
E |
(AB) | |
C |
- |
10 |
13 |
11/2 |
D |
- |
- |
9 |
19/2 |
E |
- |
- |
- |
25/2 |
(AB) |
- |
- |
- |
- |
(AB) |
C |
AVE | |
(AB) |
- |
11/2 |
11 |
C |
- |
- |
23/2 |
AVE |
- |
- |
- |
c+f+(a+b)/2=11/2 ①
c+g+(d+e)/2=23/2 ②
f+(a+b)/2+ g+(d+e)/2=11 ③
d+e=9 ④
解,得
c=3
f=1
g=4
d+g+c=10 ①
e+g+c=13 ②
解,得
d=3;e=6
时间: 2024-10-09 20:20:07