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题库 Science 题目列表 The equation (2 +X) + y = 2 + (x +Y) best illustra...
Single Choice
The equation (2 +

  • X) + y = 2 + (x +
  • Y) best illustrates what basic property of addition?
A.

+ y = 2 + (x +

B.

best illustrates what basic property of addition? Edit Question Here: The equation (2 + x) + y = 2 + (x + y) best illustrates what basic property of addition?

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