英语俚语“equivalent expressions”的翻译、释义、用法及例句-英语俚语辞典

俚语	equivalent expressions
释义	equivalent expressions Equivalent Expressions: Expressions that simplify to an equal value when numbers are substitutedfor the variables of the expression. For example, (a+b)2 and a2 + 2ab + b2 are equivalent since whatever the numbers you substitute for a and b, you can always get the same value for both expressions. equivalent expressions i a math word
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