你讲的对,这个计算可以导出单元正三角形面积为:(12+6-8)=10,该方程的物理意义清楚了。你的解法物理意义更明显一些!
你讲的对,这个计算可以导出单元正三角形面积为:(12+6-8)=10,该方程的物理意义清楚了。你的解法物理意义更明显一些!
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