3²-1²=8=8x1 ,5²-3²=16=8x2 ,7²-5²=24=8x3.用含字母的等式表示上面的规律
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![3²-1²=8=8x1 ,5²-3²=16=8x2 ,7²-5²=24=8x3.用含字母的等式表示上面的规律](/uploads/image/z/984282-42-2.jpg?t=3%26%23178%3B-1%26%23178%3B%3D8%3D8x1+%2C5%26%23178%3B-3%26%23178%3B%3D16%3D8x2+%2C7%26%23178%3B-5%26%23178%3B%3D24%3D8x3.%E7%94%A8%E5%90%AB%E5%AD%97%E6%AF%8D%E7%9A%84%E7%AD%89%E5%BC%8F%E8%A1%A8%E7%A4%BA%E4%B8%8A%E9%9D%A2%E7%9A%84%E8%A7%84%E5%BE%8B)
3²-1²=8=8x1 ,5²-3²=16=8x2 ,7²-5²=24=8x3.用含字母的等式表示上面的规律
3²-1²=8=8x1 ,5²-3²=16=8x2 ,7²-5²=24=8x3.
用含字母的等式表示上面的规律
3²-1²=8=8x1 ,5²-3²=16=8x2 ,7²-5²=24=8x3.用含字母的等式表示上面的规律
(2n+1)²-(2n-1)²=8n,n∈N*