z.2 oblicz, s.78
A 3/4 x 1/5=
6/8 x 1/4=
5/8 x 1 1/3
4/12 x 3 1/2
B 2 3/5x 1 3/7
1 3/4 x2 2/3
1 5/6 x 2 4/7
2 1/2 x 32/8