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高考理科數(shù)學(xué)全國(guó)卷赫然發(fā)現(xiàn)三視圖題,,看你們能答對(duì)否,? |
點(diǎn)評(píng)
五分之一
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點(diǎn)評(píng)
這個(gè)高考題不是變態(tài)題,已經(jīng)很規(guī)則了
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點(diǎn)評(píng)
三棱錐的體積:1/3x底面積x高,;截取部分體積:1/3×(1/2×1×1
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初中生都學(xué)過(guò)三視圖,,更別說(shuō)學(xué)過(guò)空間立體幾何的高三學(xué)子了
題目是切掉的和剩下的比,當(dāng)時(shí)是1:5,,
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