14 +
16 +
20 ×
1 -
11 +
2
420×
8 ×
12 +
112×
2 -
15 ×
270×
15 +
315×
6 +
30 ×
12 +
18 ×
18 +
24 ×
1 -
7 +
3 ÷
21 +
6 ÷
13 +
63 ×
3 -
16 +
2
18 +