練習題庫/huikao・難度 5求 0.02250.02250.0225 的平方根，下列計算何者完整且正確？(A)x2=0.0225⇒x=0.0225=0.15x^2=0.0225\Rightarrow x=\sqrt{0.0225}=0.15x2=0.0225⇒x=0.0225=0.15(B)x2=0.0225⇒x=±0.0225=±1.5x^2=0.0225\Rightarrow x=\pm\sqrt{0.0225}=\pm1.5x2=0.0225⇒x=±0.0225=±1.5(C)x2=0.0225⇒x=−0.0225=−0.15x^2=0.0225\Rightarrow x=-\sqrt{0.0225}=-0.15x2=0.0225⇒x=−0.0225=−0.15(D)x2=0.0225⇒x=±0.0225=±0.15x^2=0.0225\Rightarrow x=\pm\sqrt{0.0225}=\pm0.15x2=0.0225⇒x=±0.0225=±0.15(E)x2=0.0225⇒x=±0.0225=±0.015x^2=0.0225\Rightarrow x=\pm\sqrt{0.0225}=\pm0.015x2=0.0225⇒x=±0.0225=±0.015登入後即可作答並查看完整詳解（每日免費 5 題）。