2x |
x+2 |
9 |
10 |
1 |
e2 |
1 |
1+x |
2(x+2)-2x |
(x+2)2 |
x2 |
(x+2) 2(x+1) |
| ||
10020 |
9 |
10 |
1 |
e2 |
| ||
10020 |
9 |
10 |
100×99×…×81 |
10020 |
100 |
90 |
90 |
100 |
9 |
10 |
9 |
10 |
10 |
9 |
10 |
9 |
10 |
9 |
2 |
19 |
2x |
x+2 |
1 |
9 |
1 |
9 |
2•
| ||
2+
|
1 |
9 |
2 |
19 |
10 |
9 |
2 |
19 |
9 |
10 |
1 |
e2 |
1 |
23 |
2 |
33 |
3 |
43 |
n-1 |
n3 |
1 |
x |
1 |
x |
1 |
a |
e |
a |
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