a |
b |
c |
a |
b |
c |
∫ | a1 |
1 |
x |
A.①② | B.③④ | C.②④ | D.①③ |
2π |
2 |
a |
b |
c |
a |
b |
a |
b |
c |
a |
b |
a |
b |
c |
a |
b |
c |
∫ | a1 |
1 |
x |
x| | a1 |
A.① | B.①③ | C.②③ | D.①②③ |
a |
b |
a |
b |
kπ |
2 |
a |
b |
c |
a |
b |
c |
a |
b |
c |
b |
b |
0 |
a |
b |
a |
ex |
x |
ex(x+1) |
x2 |
x2 |
a2 |
y2 |
b2 |
2b2 |
a |
2π |
3 |
kπ |
2 |
2 |
13 |
π |
2 |
π |
4 |
π |
2 |
1 |
2 |
5 |
4 |
A.1个 | B.2个 | C.3个 | D.4个 |
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