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

1.78 + 76 =   26.67 + 74 =
2.43 + 72 =   27.18 + 54 =
3.46 + 76 =   28.71 + 99 =
4.89 + 68 =   29.27 + 88 =
5.45 + 42 =   30.57 + 97 =
6.39 + 97 =   31.30 + 14 =
7.47 + 63 =   32.50 + 80 =
8.57 + 27 =   33.92 + 75 =
9.50 + 12 =   34.28 + 24 =
10.60 + 48 =   35.49 + 22 =
11.19 + 57 =   36.21 + 75 =
12.72 + 45 =   37.34 + 72 =
13.87 + 73 =   38.66 + 47 =
14.38 + 66 =   39.74 + 48 =
15.20 + 98 =   40.40 + 28 =
16.27 + 11 =   41.60 + 33 =
17.88 + 93 =   42.50 + 73 =
18.89 + 75 =   43.58 + 67 =
19.18 + 89 =   44.86 + 58 =
20.76 + 91 =   45.81 + 58 =
21.79 + 64 =   46.50 + 58 =
22.62 + 49 =   47.53 + 60 =
23.73 + 80 =   48.48 + 61 =
24.16 + 85 =   49.71 + 89 =
25.91 + 60 =   50.21 + 79 =