(1)37.7÷13+1.8×2.4,
=2.9+4.32,
=7.22;
(2)1.25×3.2×0.25,
=1.25×8×0.4×0.25,
=(1.25×8)×(0.4×0.25),
=10×0.1,
=1;
(3)1.06×(2.9+1.6)÷0.01,
=1.06×4.5÷0.01,
=4.77÷0.01,
=477;
(4)6.27×5.2+5.8×6.27-6.27,
=6.27×(5.2+5.8-1),
=6.27×10,
=62.7;
(5)50.5÷[(15.6-3.5×4)÷3.2],
=50.5÷[(15.6-14)÷3.2],
=50.5÷[1.6÷3.2],
=50.5÷0.5,
=101.