m^2-n^2
m=116
n=16
116^2-16^2= (58×2)^2-2^8=58^2×2^2-2^8=
58^2×2^2-2^6+2=58^2-2^2-2^6×2^2=(58^2-2^6)×2^2= (3364-64)×4=3300×4=13.200
m^2-n^2
m=116
n=16
116^2-16^2= (58×2)^2-2^8=58^2×2^2-2^8=
58^2×2^2-2^6+2=58^2-2^2-2^6×2^2=(58^2-2^6)×2^2= (3364-64)×4=3300×4=13.200