乘法公式 (27 19:44:24) 32-12=8×1 52-32=8×2
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![乘法公式 (27 19:44:24) 32-12=8×1 52-32=8×2](/uploads/image/z/337542-6-2.jpg?t=%E4%B9%98%E6%B3%95%E5%85%AC%E5%BC%8F+%2827+19%3A44%3A24%29%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B+32%EF%BC%8D12%3D8%C3%971%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B+52%EF%BC%8D32%3D8%C3%972%26%23160%3B%26%23160%3B%26%23160%3B)
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乘法公式 (27 19:44:24) 32-12=8×1 52-32=8×2
乘法公式 (27 19:44:24)
32-12=8×1
52-32=8×2
72-52=8×3
92-72=8×4
请回答下列问题:
1.152-132=_
2. 用只含正整数n的等式表示你所发现的规律:
3. 请通过运算来说明你所发现的规律是正确的.
乘法公式 (27 19:44:24) 32-12=8×1 52-32=8×2
是8*8.因为第N个式子是N2的N次方加一,第一个就是2*1+1=32 式子是第n个n2的n次方+1=8*n