从2开始,连续的偶数相加,它们和的情况如下表加数的个数n S1 2 = 1×22 2+4 = 6 = 2×33 2+4+6 = 12 = 3×44 2+4+6+8 = 20 = 4×55 2+4+6+8+10 = 30 = 5×6根据表中的规律猜想:用n的代数式表示S的公式
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![从2开始,连续的偶数相加,它们和的情况如下表加数的个数n S1 2 = 1×22 2+4 = 6 = 2×33 2+4+6 = 12 = 3×44 2+4+6+8 = 20 = 4×55 2+4+6+8+10 = 30 = 5×6根据表中的规律猜想:用n的代数式表示S的公式](/uploads/image/z/1991420-44-0.jpg?t=%E4%BB%8E2%E5%BC%80%E5%A7%8B%2C%E8%BF%9E%E7%BB%AD%E7%9A%84%E5%81%B6%E6%95%B0%E7%9B%B8%E5%8A%A0%2C%E5%AE%83%E4%BB%AC%E5%92%8C%E7%9A%84%E6%83%85%E5%86%B5%E5%A6%82%E4%B8%8B%E8%A1%A8%E5%8A%A0%E6%95%B0%E7%9A%84%E4%B8%AA%E6%95%B0n+S1+2+%3D+1%C3%9722+2%EF%BC%8B4+%3D+6+%3D+2%C3%9733+2%EF%BC%8B4%EF%BC%8B6+%3D+12+%3D+3%C3%9744+2%EF%BC%8B4%EF%BC%8B6%EF%BC%8B8+%3D+20+%3D+4%C3%9755+2%EF%BC%8B4%EF%BC%8B6%EF%BC%8B8%EF%BC%8B10+%3D+30+%3D+5%C3%976%E6%A0%B9%E6%8D%AE%E8%A1%A8%E4%B8%AD%E7%9A%84%E8%A7%84%E5%BE%8B%E7%8C%9C%E6%83%B3%EF%BC%9A%E7%94%A8n%E7%9A%84%E4%BB%A3%E6%95%B0%E5%BC%8F%E8%A1%A8%E7%A4%BAS%E7%9A%84%E5%85%AC%E5%BC%8F)
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