12.下列各式中,正确的是( )
| A. | $\root{3}{-5}$=-$\root{3}{5}$ | B. | $\sqrt{16}$=±4 | C. | $\sqrt{(-13)^{2}}$=-13 | D. | $\sqrt{3.6}$=0.6 |
11.
在A、B、C、D四幅图案中,能通过图甲平移得到的是( )
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| A. | B. | C. | D. |