18 +
1 -
13 +
8 -
2 ÷
2 -
7
30 ×
3 -
1
1 -
20 ×
10 +
1 -
11 +
3 ÷
1 -
24 ×
36 ×
5 -
70 ×
17 +
5 ÷
6 -
54 ×
5 -
96 ×
20 +
19 +
3 -
12 +
13 +
45 ×
5 -
7 ÷
15 ×
13 +