1 + 1 = 2 1 + 1 = 2 1 + 1 = 2 1 + 1 = 2 1 + 2 = 3 1 + 2 = 3 1 + 2 = 3 1 + 2 = 3 1 + 3 = 4 1 + 3 = 4 1 + 3 = 4 1 + 3 = 4 1 + 4 = 5 1 + 4 = 5 1 + 4 = 5 1 + 4 = 5 1 + 5 = 6 1 + 5 = 6 1 + 5 = 6 1 + 5 = 6[.]
1+1=2 1+1=2 1+1=2 1+1=2 1+2=3 1+2=3 1+2=3 1+2=3 1+3=4 1+3=4 1+3=4 1+3=4 1+4=5 1+4=5 1+4=5 1+4=5 1+5=6 1+5=6 1+5=6 1+5=6 1+6=7 1+6=7 1+6=7 1+6=7 1+7=8 1+7=8 1+7=8 1+7=8 1+8=9 1+8=9 1+8=9 1+8=9 + 9=10 + 9=10 + 9=10 + 9=10