1 |
2 |
x |
1-x |
OM |
1 |
2 |
OA |
OB |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
|
OM |
1 |
2 |
OA |
OB |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
n-1 |
n |
n-2 |
n |
1 |
n |
2 |
3 |
3 |
2 |
3 |
2 |
3 |
2 |
4 |
9 |
1 |
(Sn+1)(Sn+1+1) |
4 |
(n+1)(n+2) |
1 |
n+1 |
1 |
n+2 |
OM |
1 |
2 |
OA |
OB |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
x |
1-x1 |
1 |
2 |
x2 |
1-x2 |
1 |
2 |
x1 |
1-x1 |
x2 |
1-x2 |
1 |
2 |
x1 |
1-x1 |
x2 |
1-x2 |
1 |
2 |
x1 |
x2 |
x2 |
x1 |
1 |
2 |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
n-1 |
n |
n-2 |
n |
1 |
n |
1 |
n |
n-1 |
n |
2 |
n |
n-2 |
n |
n-1 |
n |
1 |
n |
n-1 |
2 |
2 |
3 |
3 |
2 |
2 |
3 |
3 |
2 |
4 |
9 |
1 |
(Sn+1)(Sn+1+1) |
4 |
(n+1)(n+2) |
1 |
n+1 |
1 |
n+2 |
2 |
3 |
1 |
3 |
1 |
n+2 |
2n |
n+2 |
2n |
n+2 |
n+2 |
n |
4n |
(n+2)2 |
4n |
n2+4n+4 |
4 | ||
n+
|
4 | ||
n+
|
4 |
4+4 |
1 |
2 |
1 |
2 |
4 |
9 |
1 |
2 |
1 |
2 |
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y1 |
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y2 |
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x |
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OM |
1 |
2 |
OA |
OB |
1 |
2 |
n-1 |
i=1 |
i |
n |
1 |
n |
2 |
n |
n-1 |
n |
1 |
2Sn+1 |
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b2 |
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y1 |
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n |
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b |
y2 |
a |
m |
n |
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2 |
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1-x |
OM |
1 |
2 |
OA |
OB |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
1 |
(Sn+1)(Sn+1+1) |
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科目:高中數(shù)學(xué) 來源: 題型:
x2-x1 | x3-x2 |
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