用计算器计算38－546，按键顺序是_1，结果是_2．_刷题宝

题干

用计算器计算38－546，按键顺序是____，结果是____．

上一题下一题 0.0难度选择题更新时间:2019-05-07 04:31:56

答案(点此获取答案解析）

38－546=,－508

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