1 |
a |
2xy |
π |
5 |
6+x |
x |
7 |
y |
8 |
y |
10 |
x2 |
x |
3a2b3c |
4 |
A.5 | B.4 | C.3 | D.2 |
1 |
a |
5 |
6+x |
x2 |
x |
x+y |
2 |
m+1 |
2 |
m+1 |
m |
5+x |
π |
xy |
x+1 |
3 |
4 |
1 |
n |
A.2个 | B.3个 | C.4个 | D.5个 |
x |
x+1 |
x |
3 |
a |
π |
x2 |
x |
A.1个 | B.2个 | C.3个 | D.4个 |
1 |
a |
2xy |
π |
3a2b3c |
4 |
5 |
6+x |
x |
7 |
y |
8 |
A.5 | B.4 | C.3 | D.2 |
x+y |
x |
1 |
m |
1 |
x |
2xy |
π |
3 |
x+y |
1 |
2 |
x2+1 |
2 |
A.5个 | B.4个 | C.3个 | D.2个 |
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