練習題庫/huikao・難度 3求 361361361 的平方根，下列計算何者完整且正確？(A)x2=361⇒x=361=19x^2=361\Rightarrow x=\sqrt{361}=19x2=361⇒x=361=19(B)x2=361⇒x=±361=±19x^2=361\Rightarrow x=\pm\sqrt{361}=\pm19x2=361⇒x=±361=±19(C)x2=361⇒x=3612=130321x^2=361\Rightarrow x=361^2=130321x2=361⇒x=3612=130321(D)x2=361⇒x=±361x^2=361\Rightarrow x=\pm361x2=361⇒x=±361(E)x2=361⇒x=−361=−19x^2=361\Rightarrow x=-\sqrt{361}=-19x2=361⇒x=−361=−19登入後即可作答並查看完整詳解（每日免費 5 題）。