The radius of a circular water wave increases at the rate R(t)=0.35/secHow fast does the area A(t) of the circle increase when R(t)=1m?帮忙讲解下是问题到底问的是什么,要是能把答案给了更好,
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The radius of a circular water wave increases at the rate R(t)=0.35/secHow fast does the area A(t) of the circle increase when R(t)=1m?帮忙讲解下是问题到底问的是什么,要是能把答案给了更好,
The radius of a circular water wave increases at the rate R(t)=0.35/sec
How fast does the area A(t) of the circle increase when R(t)=1m?
帮忙讲解下是问题到底问的是什么,要是能把答案给了更好,
The radius of a circular water wave increases at the rate R(t)=0.35/secHow fast does the area A(t) of the circle increase when R(t)=1m?帮忙讲解下是问题到底问的是什么,要是能把答案给了更好,
一个圆形水波的半径以每秒0.35米的速度增加,当半径是1米时,圆的面积增加的速度是多少?
一个圆形水波的半径以每秒0.35米的速度增加,当半径是1米时,圆的面积增加的速度是多少?
一个圆的水波的范围以比率增加是(t)= 0.35 /秒
多快这个地区这圈增加(t)什么时候在(t)= 1m?
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