4 ×
4
8 +
5
3
2 ÷
2
1
1
1 -
3
2
4
4
8 +
5
30 ×
2
1 -
1
20 ×
4
5 ×
5
3
3
2
5
1
4
4
5
4 ×
4
1
6 ×
3
2