2&3
4&5
6&7
8&9
10&11
100
3 time 8=
24
100
4 times 4
16
100
6 times 7
42
100
8 times 8
64
100
6 times 11
66
200
3 time 6
18
200
5 times 11
55
200
6 times 9
54
200
9 times 9
81
200
12 times 10
120
300
2 time 8=
16
300
4 time 5
20
300
7 times 3
21
300
8 times 9
72
300
2 times 10
20
400
3 times 9
27
400
300 times 5
1500
400
3 times 6
18
400
8 times 7
56
400
13 times 10
130
500
100 times 3
300
500
800×4
3200
500
2 times 6
12
500
9 times 10
90
500
12 times 11
132