一个圆环,外圆直径是6分米,圆环宽1分米,圆环的面积是______. 发布时间:2017-07-02 10:35 │ 来源:www.tikuol.com 题型:填空题 问题: 一个圆环,外圆直径是6分米,圆环宽1分米,圆环的面积是______.
题型:填空题 As always when she sang in the bathroom, she________the high notes in a special way.A.span outB.belted outC.spread outD.stretch out 查看答案