1. Oblicz:
3 x 3/8 =
3/5 x 4/7 =
2 i 2/9 x 3/5 =
3 i 1/2 x 2 i 4/7 =
4 i 4/5 x 3 i 3/4 =
2. Oblicz:
4,67 - (3 i 5/6 - 1/3) =
2,8 + 1 i 1/3 x 0.9 =
3,6 : 3/5 - 1 i 1/5 =
0,022 x (1.6 - 2/5) =
2.8 x 1 i 1/4 - 2/3 x 0,75
(4.5 - 1.1) x 2 x 3/4 - 1 =
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