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[
]|
A . |
B . |
|
C .2 |
D . |
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[
]|
A .4 |
B .25 |
|
C .36 |
D .90 |
15
÷[
]|
A .4 |
B .25 |
|
C .36 |
D .90 |
24
÷[
]|
A .4 |
B .25 |
|
C .36 |
D .90 |
81
÷[
]|
A .4 |
B .25 |
|
C .36 |
D .90 |
76
÷[
]|
A .16 |
B .80 |
|
C .49 |
D .56 |
42
÷[
]|
A .16 |
B .80 |
|
C .49 |
D .56 |
14
÷[
]|
A .16 |
B .80 |
|
C .49 |
D .56 |
21
÷[
]|
A .16 |
B .80 |
|
C .49 |
D .56 |
有一个正方形的周长是
[
]|
A . |
B . |
|
C . |
D . |