Addition
1+8=
9
9-4=
5
6x3=
18
5/5=
1
18+13=
31
10+2=
12
19-9=
10
7x5=
35
2/36=
18
49+96=
145
17+2=
19
16-7=
9
8x4=
32
8/40=
5
14-12=
2
12+15=
27
78-63=
15
9x3=
27
6/48=
8
250+122+308=
680
17+19=
36
11-10=
1
5x2=
10
20/5=
4
245-63=
182