1.8 x 9 =3 x 1 =5 x 5 =3 x 2 =9 x 2 =
2.6 x 8 =9 x 5 =7 x 2 =7 x 7 =5 x 7 =
3.9 x 1 =8 x 3 =6 x 9 =5 x 2 =2 x 2 =
4.1 x 9 =7 x 6 =3 x 5 =2 x 8 =2 x 3 =
5.6 x 9 =3 x 7 =1 x 6 =2 x 8 =2 x 9 =
6.4 x 3 =4 x 4 =8 x 5 =9 x 3 =9 x 9 =
7.5 x 6 =0 x 2 =3 x 7 =4 x 2 =4 x 5 =
8.7 x 7 =8 x 7 =7 x 4 =5 x 9 =8 x 7 =
9.5 x 7 =3 x 2 =6 x 6 =5 x 2 =2 x 6 =
10.2 x 7 =4 x 7 =7 x 8 =2 x 9 =6 x 4 =
11.3 x 3 =9 x 8 =6 x 1 =4 x 9 =8 x 9 =
12.9 x 7 =7 x 0 =2 x 5 =7 x 9 =8 x 6 =
13.9 x 3 =1 x 5 =9 x 0 =5 x 8 =5 x 4 =
14.9 x 9 =7 x 5 =8 x 4 =4 x 0 =9 x 6 =
15.8 x 8 =0 x 7 =2 x 7 =0 x 9 =3 x 8 =
16.8 x 5 =9 x 6 =7 x 5 =9 x 4 =5 x 8 =
17.8 x 2 =4 x 3 =1 x 8 =7 x 1 =5 x 1 =
18.0 x 1 =6 x 7 =9 x 5 =6 x 5 =3 x 4 =
19.6 x 7 =5 x 3 =5 x 3 =9 x 2 =3 x 9 =
20.3 x 5 =3 x 3 =6 x 2 =6 x 4 =4 x 6 =

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