20
25
15
= 6
= 7
= 8
= 9 x 9
= 9 + 2
= 9 x 2
4x2 + 6x5 + 2x7
4x1 +6x1 + 3x1
2x2 + 5x5 + 7x7
5
6
4
= 2,5
= 3
= 2
= 5 x 7
= 5 x 5
= 5 x 1
10
= 5
= 20
= 7 + 8
= 9 + 4
= 9 x 4
= 2,5
= 3
= 2
= 2 x 5
= 5 x 3
= 2+2+2+2
= 3 x 12
= 2 x 12
= 12 x 12
9
8
10
1 1 1 0 1 1 1 0
1 1 1 1 1 0 0 0
1 1 1 0 0 0 0 0
1 1 1 o 1 1 1 1 1
1 1 1 0 0 0 1 1
1 1 1 o 1 1 0 0 0
00011101110
11011101110
11111101110
10
9
11