(1) 3−2i3-2i3−2i と 1+5i1+5i1+5i 距離 h=(3−1)2+(2+5)2=4+49=53h = \sqrt{(3-1)^2+(2+5)^2} = \sqrt{4+49} = \sqrt{53}h=(3−1)2+(2+5)2=4+49=53 (2) −2+i-2+i−2+i と −3−i-3-i−3−i h=(−2+3)2+(1+1)2=1+4=5h = \sqrt{(-2+3)^2+(1+1)^2} = \sqrt{1+4} = \sqrt{5}h=(−2+3)2+(1+1)2=1+4=5 (3) 4+3i4+3i4+3i と 888 h=(4−8)2+32=16+9=25=5h = \sqrt{(4-8)^2+3^2} = \sqrt{16+9} = \sqrt{25} = 5h=(4−8)2+32=16+9=25=5 (4) 666 と 2i2i2i h=62+22=36+4=40=210h = \sqrt{6^2+2^2} = \sqrt{36+4} = \sqrt{40} = 2\sqrt{10}h=62+22=36+4=40=210