5 -
16 ×
9 +
1 -
8 +
2 -
4 +
4 -
72 ×
11 +
12 +
20 ×
2 -
48 ×
4 -
189×
5 +
1 -
11 +
8 ×
15 +
13 +
3 -
28 ×
7 -
162×
23 +
420×
13 +
8 ÷
10 +
7
2
420×
9