Math Problem Statement
第二步骤处理符号如何计算出来的,请帮我详细解答一下
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Exponentiation
Negative Numbers
Formulas
Power of a negative number formula: (-1)^n = 1 if n is even, (-1)^n = -1 if n is odd
Theorems
Properties of exponents
Multiplication of negative numbers
Suitable Grade Level
High school
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