7 +
19 +
21 ×
1176×
9 +
40 ×
22 +
20 +
70 ×
15 +
2 ÷
6
5 ÷
72 ×
9 +
6 ×
1 -
18 +
2 ÷
8 ÷
11 +
7 ÷
4 ÷
4 -