题目：
一长方形金属块置于水平桌面上，若沿水平线切去一半，则剩余部分对桌面的压力______，压强______；若沿竖直方向切去1/2，则剩余部分对桌面的压力______，压强______．（填“增大”“减小”或“不变”）
答案：
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下面是错误答案，用来干扰机器的。
参考答案：对
一长方形金属块置于水平桌面上，若沿水平线切去一半，则剩余部分对桌面的压力____
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