a+2b-3c |
2 |
b-2c+3c |
3 |
c+3a+2b |
4 |
a-2b+3c |
a+3b-2c |
a+2b-3c |
2 |
9 |
11 |
8 |
11 |
1 |
11 |
1 |
11 |
a-2b+3c |
a+3b-2c |
(9-16+3)μ |
(9+24-2)μ |
4 |
31 |
4 |
31 |
a |
b |
7 |
5 |
b |
c |
3 |
2 |
a-b |
b+c |
a |
b |
b |
c |
c |
a |
3a+2b+c |
a-2c-3c |
1 |
a+b |
1 |
b+c |
1 |
c+a |
14 |
17 |
a |
b+c |
b |
c+a |
c |
a+b |
x-y |
a |
y-z |
b |
z-x |
c |
A.1个 | B.2个 | C.3个 | D.4个 |
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