40 ×
3 -
11 +
7 -
16 +
24 ×
5 -
5 -
18 ×
2 -
12 +
480×
27 +
4 ÷
15 +
5
7
5 -
2 -
2
15 +
20 ×
1 -
21 ×
2 ÷
2 -
120×
18 +
3 ÷
2 -
15 +
6 ×
1 -
54 ×
2 ÷
12 +
3 ÷