A room is 6m long,5m wide and 3m high.If the total area of the door and windows is 4平方米,
find the total area of the walls inside the room?
人气：202 ℃ 时间：2020-02-06 03:39:02
解答
sorry,I forgot the ceiling×2 ×3 是什么意思指底面周长再乘高得四壁面积，应再加屋顶周长和面积有什么关系啊周长乘高即四面的长或宽分别乘高之和算屋顶92，不算62
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