11
1+1=2
1-0=1
15+10=25
8-6=2
126=2
59=45
82=4
284=7
212=42
93=3
153=45
729=8
410=40
109=909
5-0.25=4.75
918=0.5
80-42=38
(59)+(56)=75
38.8-32.4=6.4
36-1.8=34.2
102.6+75.6=178.2
(58)+(50.9)=44.5
(49)+(40.2)=36.8
10
1-<
2-<
3-<
4->
5-<
6-=
9-14
10-12