18(12分)如图,d为圆锥的顶点,o是圆锥底面的圆心,ae为底面直径,ae=ad 是底面的内2020高考全国一卷理数答案和在线做题 Template




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tomski18(12分)如图,d为圆锥的顶点,o是圆锥底面的圆心,ae为底面直径,ae=ad 是底面的内2020高考全国一卷理数答案和在线做题 coloring