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

1.83 × 26 =   26.44 × 19 =
2.61 × 48 =   27.38 × 48 =
3.15 × 35 =   28.50 × 17 =
4.39 × 22 =   29.36 × 41 =
5.48 × 77 =   30.74 × 79 =
6.67 × 99 =   31.69 × 98 =
7.77 × 37 =   32.95 × 20 =
8.44 × 18 =   33.51 × 77 =
9.92 × 20 =   34.30 × 60 =
10.48 × 65 =   35.78 × 72 =
11.97 × 96 =   36.71 × 90 =
12.93 × 77 =   37.73 × 50 =
13.99 × 80 =   38.22 × 69 =
14.61 × 86 =   39.27 × 21 =
15.70 × 97 =   40.93 × 75 =
16.52 × 29 =   41.96 × 73 =
17.47 × 90 =   42.74 × 22 =
18.75 × 49 =   43.60 × 42 =
19.11 × 59 =   44.87 × 87 =
20.34 × 33 =   45.90 × 74 =
21.78 × 69 =   46.50 × 54 =
22.79 × 57 =   47.89 × 40 =
23.58 × 57 =   48.58 × 17 =
24.75 × 97 =   49.68 × 87 =
25.98 × 58 =   50.23 × 47 =