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

1.5 5 = ______________  26.47 2 = ______________
2.66 6 = ______________  27.6 5 = ______________
3.69 9 = ______________  28.24 4 = ______________
4.88 1 = ______________  29.92 1 = ______________
5.49 5 = ______________  30.35 1 = ______________
6.68 2 = ______________  31.16 3 = ______________
7.5 3 = ______________  32.79 6 = ______________
8.18 4 = ______________  33.46 2 = ______________
9.97 1 = ______________  34.71 1 = ______________
10.86 3 = ______________  35.58 8 = ______________
11.67 5 = ______________  36.69 9 = ______________
12.77 2 = ______________  37.28 7 = ______________
13.61 1 = ______________  38.84 3 = ______________
14.59 3 = ______________  39.3 3 = ______________
15.6 4 = ______________  40.37 2 = ______________
16.34 4 = ______________  41.74 3 = ______________
17.27 2 = ______________  42.17 5 = ______________
18.42 2 = ______________  43.19 7 = ______________
19.99 9 = ______________  44.59 6 = ______________
20.77 3 = ______________  45.66 4 = ______________
21.66 4 = ______________  46.45 4 = ______________
22.28 4 = ______________  47.13 1 = ______________
23.16 6 = ______________  48.47 5 = ______________
24.67 3 = ______________  49.68 5 = ______________
25.28 4 = ______________  50.84 3 = ______________