If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.
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Q:
If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.
- 1−10false
- 2−70false
- 3−50true
- 4−30false
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