45 ×
5
9
2 ÷
2
1
180×
4
168×
3
8
7
2 ÷
6
21 ×
1
336×
7
4
4
5
9
2 ÷
8
60 ×
6
2
3
7
6
72 ×
8
3 ÷
9
3
4
2
2
5
2 ÷
1
3
8
9
35 ×
7
5
12 ×
6
5 ÷
1
36 ×
4
2
6
6
12 ×
4
3
8 ×
8
1
2
5
9
28 ×
7
10 ×
2
5
21 ×
7
3
48 ×
8
7 ÷
1
54 ×
9
6
4
288×
4
10 ×
1
5
12 ×
2
6
7
12 ×
3
72 ×
8
9
9
2
1
6
35 ×
7
5
4
24 ×
3
8
8
2 ÷
3
6
4
4
18 ×
2
9
35 ×
7
1
5