5 -
2
224×
30 ×
20 ×
2 ÷
42 ×
6 ×
7 ÷
7 +
9 +
6 -
18 +
3
12 ×
12 +
11 +
2
6 ÷
35 ×
3 ÷
20 ×
4 +
13 +
9 +
12 +
13 +
3
42 ×
4
2 -
1 -