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求助一道数学,非常感谢~~~
the cost of a square slab is proportional to its thickness and also proportional to the square of its length.
这个句子的表达式到底是怎么样的啊~~
设K为系数,C=COST,T=THICKNESS,L=LENGTH
上面这一句是C=K*T*L^2呢~~~还是C=K*T=K*L^2,还是别的什么~~~好迷糊啊~~~ |
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