extraction of square root 开平方 ; 开平方根

extraction of a root 开方 ; 求一个数的方根的运算

extraction of cubic root 开立方

extraction of cube root 叫做开立方 ; 开立方根 ; 开立方

extraction of dental root [口腔] 牙根拔除术

extraction of the square root 开平方

extraction n of root 开方

extraction of the cubic root 开立方