【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【x+y】²=9,【x-y】²=5,xy=?【a+b】²=【a-b】²+ a²+b²=【a+b】
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/13 19:22:57
![【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【x+y】²=9,【x-y】²=5,xy=?【a+b】²=【a-b】²+ a²+b²=【a+b】](/uploads/image/z/5458710-30-0.jpg?t=%E3%80%902%2B1%E3%80%91%E3%80%902%26%23178%3B%2B1%E3%80%91%E3%80%902%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%2B1%E3%80%91%C2%B7%C2%B7%C2%B7%E3%80%902%E7%9A%842n%E6%AC%A1%E6%96%B9+%2B1%E3%80%91%3D%3F%E3%80%902%2B1%E3%80%91%E3%80%902%26%23178%3B%2B1%E3%80%91%E3%80%902%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%2B1%E3%80%91%C2%B7%C2%B7%C2%B7%E3%80%902%E7%9A%842n%E6%AC%A1%E6%96%B9+%2B1%E3%80%91%3D%3F%E3%80%90x%2By%E3%80%91%26%23178%3B%3D9%2C%E3%80%90x-y%E3%80%91%26%23178%3B%3D5%2Cxy%3D%3F%E3%80%90a%2Bb%E3%80%91%26%23178%3B%3D%E3%80%90a-b%E3%80%91%26%23178%3B%2B+a%26%23178%3B%2Bb%26%23178%3B%3D%E3%80%90a%2Bb%E3%80%91%26%2317)
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【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【x+y】²=9,【x-y】²=5,xy=?【a+b】²=【a-b】²+ a²+b²=【a+b】
【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?
【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?
【x+y】²=9,【x-y】²=5,xy=?
【a+b】²=【a-b】²+
a²+b²=【a+b】²-?
【3x-?】²=?+16y²
【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=?【x+y】²=9,【x-y】²=5,xy=?【a+b】²=【a-b】²+ a²+b²=【a+b】
【2+1】【2²+1】【2的四次方+1】···【2的2n次方 +1】=2的2n+2次方-1
【x+y】²=9,【x-y】²=5,xy=1
【a+b】²=【a-b】²+ 4ab
a²+b²=【a+b】²-2ab
【3x-4y】²=9x²-24xy+16y²
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