摘要:设数列满足条件:.且)
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设x、y、z是两两不等的实数,且满足下列等式:
+
=
-
,则代数式x3+y3+z3-3xyz的值是( )
| 6 | x3(y-x)3 |
| 6 | x3(z-x)3 |
| 6 | y-x |
| 6 | x-z |
| A、0 | B、1 |
| C、3 | D、条件不足,无法计算 |
网址:http://m.1010jiajiao.com/timu_id_647687[举报]
| 6 | x3(y-x)3 |
| 6 | x3(z-x)3 |
| 6 | y-x |
| 6 | x-z |
| A、0 | B、1 |
| C、3 | D、条件不足,无法计算 |