正方形网格中(网格中的每个小正方形边长是1),△ABC的顶点均在格点上,请在所给的直角坐标系中解答下列问题:
用计算器计算(﹣5)4﹣2×(﹣3)2,按键顺序及显示的结果为:5____ y2____ ﹣2×____ =____ .
— gloves are these?
—Sorry. I do'nt know.