Oblicz działania.
a) 3/8 x (0,9) x ( - 16/3 ) x 10 =
b) 5x (-0,25) x 0,2x (-4 )=
c) (2,5)x 0,2x (-10) x 2 =
d) (-6) x (-4/7) x 2/5 x (-7) x 5/12 =
e) ( -1 1/2) x 0,06 x (- 2/3) x 100 =
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