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

1.59 11 = ______________  26.19 15 = ______________
2.44 44 = ______________  27.41 24 = ______________
3.86 25 = ______________  28.41 22 = ______________
4.80 62 = ______________  29.80 22 = ______________
5.83 69 = ______________  30.73 70 = ______________
6.78 20 = ______________  31.70 49 = ______________
7.89 20 = ______________  32.51 43 = ______________
8.64 40 = ______________  33.84 23 = ______________
9.67 16 = ______________  34.83 42 = ______________
10.98 26 = ______________  35.72 69 = ______________
11.61 30 = ______________  36.64 14 = ______________
12.98 41 = ______________  37.76 23 = ______________
13.58 28 = ______________  38.91 75 = ______________
14.43 38 = ______________  39.44 13 = ______________
15.32 18 = ______________  40.80 51 = ______________
16.37 36 = ______________  41.75 14 = ______________
17.40 20 = ______________  42.55 27 = ______________
18.60 14 = ______________  43.97 48 = ______________
19.66 45 = ______________  44.78 57 = ______________
20.81 60 = ______________  45.95 47 = ______________
21.67 58 = ______________  46.63 63 = ______________
22.47 14 = ______________  47.61 16 = ______________
23.49 20 = ______________  48.77 20 = ______________
24.47 45 = ______________  49.72 60 = ______________
25.93 43 = ______________  50.89 36 = ______________