1+
|
1 |
1 |
1 |
1+1 |
1 |
2 |
1+
|
1 |
2 |
1 |
2+1 |
1 |
6 |
1+
|
1 |
3 |
1 |
3+1 |
1 |
12 |
1+
|
1+
|
1 |
4 |
1 |
4+1 |
1 |
20 |
1+
|
1+
|
1+
|
|
1 |
20 |
1+
|
1 |
n |
1 |
n+1 |
1 |
n(n+1) |
a2 |
a |
3x-5 |
(y-3)2 |
A.(7,2) | B.(5,2) | C.(7,3) | D.不能确定 |
A.4的算术平方根是2 |
B.9的平方根是±3 |
C.8的立方根是±2 |
D.立方根等于-1的实数是-1 |
102.01 |
1.0201= |
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