1.4 x 5 =6 x 3 =9 x 4 =2 x 4 =6 x 3 =
2.3 x 7 =9 x 6 =6 x 2 =8 x 5 =3 x 3 =
3.6 x 9 =7 x 8 =5 x 7 =3 x 5 =6 x 6 =
4.3 x 8 =4 x 6 =2 x 7 =6 x 8 =8 x 2 =
5.4 x 8 =4 x 9 =0 x 3 =8 x 7 =7 x 4 =
6.6 x 8 =5 x 8 =9 x 5 =7 x 5 =5 x 9 =
7.9 x 7 =4 x 6 =4 x 3 =2 x 2 =0 x 6 =
8.2 x 5 =8 x 3 =7 x 6 =0 x 9 =8 x 8 =
9.8 x 2 =2 x 9 =4 x 4 =0 x 7 =6 x 5 =
10.8 x 6 =4 x 8 =1 x 0 =6 x 7 =4 x 1 =
11.2 x 8 =9 x 5 =2 x 0 =8 x 4 =2 x 3 =
12.2 x 7 =2 x 4 =3 x 7 =5 x 6 =1 x 5 =
13.3 x 2 =7 x 3 =7 x 6 =5 x 5 =5 x 5 =
14.3 x 2 =2 x 5 =9 x 3 =4 x 7 =7 x 4 =
15.5 x 4 =9 x 7 =6 x 2 =5 x 3 =7 x 8 =
16.9 x 3 =3 x 9 =1 x 2 =6 x 9 =6 x 6 =
17.6 x 0 =2 x 9 =5 x 6 =5 x 2 =0 x 6 =
18.9 x 4 =5 x 8 =6 x 5 =8 x 7 =5 x 9 =
19.3 x 8 =9 x 0 =4 x 2 =8 x 4 =0 x 0 =
20.6 x 4 =2 x 3 =6 x 0 =8 x 5 =5 x 7 =

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