Calculati direct:
4 x 4:2:2 x 3:6=
6 x 6:4:3, 6:2=
2 x 6:3 x 6:3 x 9 =
9 x 4:6 x 1 x 5:3 =
3x6:2:3x 18 8:4:6=
32:8 x 6:3 : 4 x 9 =
40 : 8x4:2 x 3:6 =
60: 6:2 x 8:10 x 7 =
45:5:3 x 8 : 6 x 9 =
16 : 4 x 5: 10 x 9:3 x 0:7 =​