AB |
AB |
AC |
BA |
BC |
CA |
CB |
AB |
AB |
AC |
BA |
BC |
CA |
CB |
AB |
AC |
BC |
CA |
CB |
AB |
CA |
CB |
CA |
CB |
2 |
π |
4 |
2 |
a2(b+c)+b2(c+a)+c2(a+b) |
abc |
1 |
c3sinAcosA |
sinA+cosA+1 |
sinAcosA |
2 |
t+1 | ||
|
2 |
t-1 |
2 |
2 |
2 |
1 |
x3-x |
a2x-1 |
2x+1 |
1+x |
k |
A.x2-2x-1 | B.x2+2x-1 | C.x2-6x+7 | D.x2+6x+7 |
1 |
bnbn+1 |
1 |
2x-1 |
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