3.14×22×4
=3.14×16
=50.24(立方分米)
答:石头的体积是50.24立方分米
共产党领导的边区政府在工作报告中说,国民党肤施县党部在延安公开出版几种壁报,张贴通衢。共产党的印刷厂替国民党印刷传单,已是尽人皆知。这反映出当时
Autumn is the ____ (busy) season of a year. Look! The farmers are working in the field.
如图,∠1,∠2,∠3,∠4是五边形ABCDE的外角,且∠1=∠2=∠3=∠4=70°,则∠AED的度数是( )