"625+118等于几"...625+118等于几

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　"6561+6561等于几"...6561+6561等于几

　"612863-287145等于几"...612863-287145等于几

　"621+848等于几"...621+848等于几

　"621-295等于几"...621-295等于几

　"621-382等于几"...621-382等于几

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