2^2-0^2=1*4 4^2-2^2=12=3*4 6^2-4^2=20=5*4
问题描述:
2^2-0^2=1*4 4^2-2^2=12=3*4 6^2-4^2=20=5*4
第N个等式是?
答
2n^2-(2n-2)^2=4(2n-1)
2^2-0^2=1*4 4^2-2^2=12=3*4 6^2-4^2=20=5*4
第N个等式是?
2n^2-(2n-2)^2=4(2n-1)