题目内容
| 4 |
| 9 |
∵(±
)2=
,
∴
的平方根±
;
又∵0.63=0.216,
∴0.216的立方根0.6.
故填:±
,0.6.
| 2 |
| 3 |
| 4 |
| 9 |
∴
| 4 |
| 9 |
| 2 |
| 3 |
又∵0.63=0.216,
∴0.216的立方根0.6.
故填:±
| 2 |
| 3 |
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题目内容
| 4 |
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| 4 |
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| 49 |
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