已知实数a,b满足a+b=2,a-b=5,则(a+b) 3 ∠(a-b) 3 的值是______.

2025-06-28 05:48:22
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回答1:

∵a+b=2,a-b=5,
∴原式=[(a+b)(a-b)] 3 =10 3 =1000.
故答案为:1000