问题
填空题
身高1.80米的人站在平面镜前2米处，它在镜子中的像高______米，人与像之间距离为______米；如果他向前走0.2米，人与像之间距离为______米．
答案
身高1.80米的人站在平面镜前2米处，它在镜子中的像高1.80米，人与像之间距离为2×2=4米；如果他向前走0.2米，人与像之间距离为4-0.2×2=3.6米．
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身高1.80米的人站在平面镜前2米处，它在镜子中的像高______米，人与像之间距离为______米；如果他向前走0.2米，人与像之间距离为______米．
身高1.80米的人站在平面镜前2米处，它在镜子中的像高1.80米，人与像之间距离为2×2=4米；如果他向前走0.2米，人与像之间距离为4-0.2×2=3.6米．
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