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

1.52 × 37 = ______________  26.23 × 55 = ______________
2.48 × 99 = ______________  27.68 × 57 = ______________
3.57 × 99 = ______________  28.52 × 42 = ______________
4.74 × 55 = ______________  29.57 × 64 = ______________
5.40 × 32 = ______________  30.68 × 37 = ______________
6.90 × 33 = ______________  31.66 × 46 = ______________
7.69 × 41 = ______________  32.40 × 41 = ______________
8.42 × 72 = ______________  33.25 × 16 = ______________
9.46 × 90 = ______________  34.33 × 60 = ______________
10.92 × 36 = ______________  35.46 × 66 = ______________
11.86 × 47 = ______________  36.68 × 43 = ______________
12.91 × 55 = ______________  37.18 × 76 = ______________
13.26 × 46 = ______________  38.25 × 56 = ______________
14.75 × 49 = ______________  39.56 × 35 = ______________
15.46 × 64 = ______________  40.52 × 74 = ______________
16.76 × 55 = ______________  41.85 × 46 = ______________
17.77 × 97 = ______________  42.91 × 67 = ______________
18.27 × 37 = ______________  43.24 × 42 = ______________
19.46 × 58 = ______________  44.11 × 36 = ______________
20.38 × 88 = ______________  45.30 × 56 = ______________
21.70 × 83 = ______________  46.70 × 51 = ______________
22.87 × 19 = ______________  47.72 × 29 = ______________
23.24 × 39 = ______________  48.73 × 89 = ______________
24.57 × 99 = ______________  49.65 × 73 = ______________
25.91 × 13 = ______________  50.22 × 85 = ______________