13 +
63 ×
5 +
6
3 -
224×
3 -
5 +
6 ×
2 -
12 +
1
11 +
63 ×
3 -
3
6 -
5
16 +
28 ×
6 ÷
7 +
21 ×
2 ×
14 +
8 ÷
1 -
24 ×
1 -
3
450×
7 -
48 ×
3 -
7 +
2 ÷
17 +
63 ×
24 ×
8 +