a) (10×3.2+2.3):7.2-15.0=
b) 3.4+3.4+2×5.2=
c) 1.57+(2010.0+3.1×3.2):2.2=
d) 2×[(3.3-7.1):2.2-1.16]-9.0×5=



DAU COROANA!!!​