Oblicz jak najprostszym sposobem :
a) 3/8 x (-0,9) x (16/3) x 10 =
b) 5 x (-0,25) x 0,2 x (-4) =
c) (-2,5) x 0,2 x (-10) x 2 =
d) (-6) x (-4/7) x 2/5 x (-7) x 5/12 =
e) (-1 i 1/2) x 0,06 x (-2/3) x 100 =
Napiszcie mi sposób jakim to robiliście ... Błagam ! To ważne !
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a)=18
b)=1
c)=10
d)=3
e)=488