A = 7360 - [(5+206×8)-709] = 7360 - [(5+1648)-709] = 7360 - (1653-709) = 7360 - 944 = 6416
B = 6+8×[14×6+3×(7×9-4×5)] = 6+8×[84+3×(63-20)] =6+8×(84+3×43) = 6+8×213=1710
C=2+10×[632+10×(14+14÷7)]=2+10×(632+10×16)=2+ 10×792=7922
D = 40+3×{32: 8 + 3× [50+3 ×(200:4-98:2)]}=40+3×{4+3×[50+3×(50-49)]} = 40+3×[4+3×(50+3)] = 40+3×(4+159) = 40+3×163 = 529
D<B<A<C