A.y=x+
| B.y=
| ||||||
C.y=ex+4e-x | D.y=sinx+
|
4 |
-x |
(-x)×
|
2(x2+2+1) | ||
|
x2+2 |
1 | ||
|
|
4 |
ex |
ex×
|
4 |
ex |
4 |
sinx |
sinx•
|
4 |
sinx |
4 |
x |
9 |
y |
5 |
6 |
A.5米 | B.5.5米 | C.6米 | D.6.5米 |
1 |
a |
4 |
b |
A.4 | B.6 | C.8 | D.9 |
(x+a)(x+b) |
x |
A.4ab | B.(
| C.(a-b)2 | D.2(a2+b2) |
1 |
x |
A..1 | B..2 | C..3 | D..4 |
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