Answer:1. 0.55 + 0.05 = 0.602. 0.66 + 0.03 = 0.693. 0.63 + 0.07 = 0.704. 0.75 + 0.025 = 0.7755. 0.48 + 0.01 = 0.496. 0.56 + 0.02 = 0.587. 0.42 + 0.07 = 0.498. 0.81 + 0.09 = 0.909. 0.22 + 0.044 = 0.26410. 0.36 + 0.04 = 0.4011. 0.46 + 0.02 = 0.4812. 0.35 + 0.005 = 0.35513. 0.54 + 0.06 = 0.6014. 0.96 + 0.08 = 1.0415. 0.83 + 0.415 = 1.24516. 0.24 + 0.06 = 0.3017. 0.36 + 0.09 = 0.4518. 0.72 + 0.008 = 0.72819. 0.14 + 0.07 = 0.2120. 0.35 + 0.07 = 0.42