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Answers for “分配律如何帮助求解向量方程?”

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Yes, the cross product distributes over addition. This means a×(b+c)=a×b+a×c\mathbf{a} \times (\mathbf{b} + \mathbf{c}) = \mathbf{a} \times \mathbf{b} + \mathbf{a} \times \mathbf{c} and (a+b)×c=a×c+b×c(\mathbf{a} + \mathbf{b}) \times \mathbf{c} = \mathbf{a} \times \mathbf{c} + \mathbf{b} \times \mathbf{c}.

Conditions: You are simplifying expressions involving cross products and sums.; You are applying algebraic properties to vector operations.