ab |
a+b |
1 |
6 |
bc |
b+c |
1 |
8 |
ca |
c+a |
1 |
10 |
abc |
ab+bc+ca |
ab |
a+b |
1 |
6 |
bc |
b+c |
1 |
8 |
ca |
c+a |
1 |
10 |
a+b |
ab |
b+c |
bc |
c+a |
ca |
|
1 |
a |
1 |
b |
1 |
c |
1 |
a |
1 |
b |
1 |
c |
bc+ac+ab |
abc |
abc |
ab+bc+ca |
1 |
12 |
a+b |
ab |
b+c |
bc |
c+a |
ca |
1 |
b |
1 |
a |
1 |
c |
1 |
b |
1 |
a |
1 |
c |
1 |
a |
1 |
b |
1 |
c |
1 |
a |
1 |
b |
1 |
c |
1 |
a |
1 |
b |
1 |
c |
分式的化简求值.
本题主要考查解三元一次方程组,分式的化简,关键在于根据题意列出方程,求出
,1 a
,1 b
的值.1 c
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