1.51-17=
2.45-15=
3.41-11=
4.10+72=
5.30-14=
6.80+10=
7.70-50=
8.50-12=
9.20+36=
10.40+20=
11.20+45=
12.60-23=
13.70-25=
14.21+39=
15.60-41=
16.80-20=
17.50+20=
18.30+40=
19.40-21=
20.61-31=
21.56+10=
22.33+15=
23.42+18=
24.21+29=
25.32+28=
26.57-27=
27.51-29=
28.22+18=
29.55-15=
30.66-33=
31.77-57=
32.52+18=
33.88-28=