0.1+0.1=0.2 0.2+0.2=0.4 0.3+0.3=0.6 0.4+0.4=0.8 0.5+0.5=1 0.6+0.6=1.2 0.7+0.7=1.4 0.8+0.8=1.6 0.9+0.9=1.8 1.2+1.2=2.4 1.3+1.3=2.6 1.4+1.4=2.4 1.5+1.5=3 1.6+1.6=3.2 1.7+1.7=3.4 1.8+1.8=3.6 1.9+1.9=3.8 0.01+0.01=0.02 0.03+0.03=0.06 0.04+0.04=0.008 0.05+0.05=0.1 1.02+1.02=1.04 1.03+1.04=1.08 1.05+1.05=1.1 1.06+1.06=1.12 1.07+1.07=1.14 1.08+1.08=1.16 1.09+1.09=1.18.