HARD ADDITION. Be able to answer this in less than one minute.

1.22 + 21 =   26.60 + 57 =
2.23 + 82 =   27.43 + 20 =
3.25 + 17 =   28.37 + 76 =
4.80 + 86 =   29.16 + 61 =
5.13 + 67 =   30.43 + 80 =
6.69 + 24 =   31.15 + 79 =
7.98 + 49 =   32.67 + 88 =
8.68 + 58 =   33.72 + 39 =
9.84 + 25 =   34.74 + 11 =
10.89 + 14 =   35.62 + 30 =
11.96 + 48 =   36.68 + 61 =
12.70 + 75 =   37.37 + 96 =
13.66 + 89 =   38.80 + 24 =
14.31 + 68 =   39.12 + 35 =
15.75 + 36 =   40.37 + 45 =
16.65 + 29 =   41.10 + 52 =
17.69 + 47 =   42.52 + 54 =
18.46 + 49 =   43.23 + 87 =
19.34 + 53 =   44.30 + 23 =
20.75 + 96 =   45.31 + 90 =
21.30 + 20 =   46.53 + 37 =
22.74 + 29 =   47.69 + 89 =
23.82 + 40 =   48.20 + 86 =
24.53 + 45 =   49.95 + 50 =
25.13 + 68 =   50.49 + 82 =