5 × 400= 100 × 7= 5 × 700= 300 × 4=
5 × 200= 200 × 6= 3 × 600= 900 × 7=
8 × 300= 200 × 7= 7 × 200= 800 × 6=
9 × 900= 200 × 8= 8 × 700= 800 × 4=
7 × 800= 100 × 2= 7 × 600= 500 × 7=
5 × 400= 100 × 7= 5 × 700= 300 × 4=
5 × 200= 200 × 6= 3 × 600= 900 × 7=
8 × 300= 200 × 7= 7 × 200= 800 × 6=
9 × 900= 200 × 8= 8 × 700= 800 × 4=
7 × 800= 100 × 2= 7 × 600= 500 × 7=