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

1.58 5 = ______________  26.51 1 = ______________
2.39 4 = ______________  27.17 2 = ______________
3.79 5 = ______________  28.84 3 = ______________
4.55 1 = ______________  29.98 3 = ______________
5.18 1 = ______________  30.95 3 = ______________
6.55 1 = ______________  31.56 6 = ______________
7.28 5 = ______________  32.37 1 = ______________
8.35 3 = ______________  33.86 6 = ______________
9.97 3 = ______________  34.36 3 = ______________
10.67 4 = ______________  35.57 6 = ______________
11.68 7 = ______________  36.69 3 = ______________
12.17 6 = ______________  37.97 4 = ______________
13.48 1 = ______________  38.76 5 = ______________
14.88 4 = ______________  39.17 1 = ______________
15.36 6 = ______________  40.85 1 = ______________
16.9 5 = ______________  41.36 5 = ______________
17.4 3 = ______________  42.54 2 = ______________
18.8 1 = ______________  43.34 3 = ______________
19.21 1 = ______________  44.38 4 = ______________
20.37 7 = ______________  45.37 4 = ______________
21.87 5 = ______________  46.96 3 = ______________
22.53 3 = ______________  47.16 5 = ______________
23.33 3 = ______________  48.95 3 = ______________
24.9 5 = ______________  49.39 5 = ______________
25.78 6 = ______________  50.73 1 = ______________