试题与答案

观察下列等式 1×2×3×4+1=52=(12+3×1+1)2 2×3×4×5+

题型:填空题

题目:

观察下列等式

1×2×3×4+1=52=(12+3×1+1)2

2×3×4×5+1=112=(22+3×2+1)2

3×4×5×6+1=192=(32+3×3+1)2

4×5×6×7+1=292=(42+3×4+1)2

(1)根据你的观察,归纳发现的规律是(      );

(2)写出8×9×10×11+1的结果是(      );

答案:

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(1)时间:1949年在第一次中国人民政治协商会议上确立的。主要内容:在中央政府的统一领导下,各少数民族聚居的地区设立自治区域和自治机关,由当地民族当家做主,管理本民族地方性的内部事务,行使自治权利。(...

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