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

1.49 5 = ______________  26.5 4 = ______________
2.46 2 = ______________  27.88 3 = ______________
3.73 1 = ______________  28.63 2 = ______________
4.77 7 = ______________  29.59 2 = ______________
5.6 4 = ______________  30.58 7 = ______________
6.1 1 = ______________  31.68 6 = ______________
7.74 1 = ______________  32.42 2 = ______________
8.77 2 = ______________  33.69 8 = ______________
9.66 2 = ______________  34.95 1 = ______________
10.5 4 = ______________  35.52 1 = ______________
11.39 4 = ______________  36.23 3 = ______________
12.94 3 = ______________  37.17 1 = ______________
13.73 2 = ______________  38.14 1 = ______________
14.58 8 = ______________  39.54 1 = ______________
15.48 8 = ______________  40.39 3 = ______________
16.76 1 = ______________  41.16 1 = ______________
17.79 7 = ______________  42.68 1 = ______________
18.29 4 = ______________  43.33 1 = ______________
19.9 4 = ______________  44.36 4 = ______________
20.57 3 = ______________  45.68 8 = ______________
21.13 1 = ______________  46.89 6 = ______________
22.77 7 = ______________  47.86 5 = ______________
23.28 6 = ______________  48.99 6 = ______________
24.57 5 = ______________  49.55 4 = ______________
25.18 1 = ______________  50.26 6 = ______________