PA |
PB |
PC |
S3 |
S |
S 1 |
S |
S 2 |
S |
1 |
2 |
S2•S3 |
S2 |
| ||
S2 |
1 |
16 |
PE |
PF |
0 |
PA |
PB |
PE |
PA |
PC |
PF |
PA |
PB |
PC |
0 |
PA |
PB |
PC |
1 |
2 |
3 |
2 |
1 | ||
|
A.(-∞,-1] | B.(-∞,-1) | C.[-1,+∞) | D.(-1,+∞) |
1-x |
A.(-∞,1) | B.(-∞,1] | C.[0,1] | D.(0,1] |
A.① | B.③ | C.①② | D.②③ |
(1-t)x-t2 |
x |
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