Oblicz jak najprostszym sposobem:
a) x (-0,9) x (-) 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 - x x (-7) x =
e) -1 x 0,06 x (-) x 100 =
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a) x (-0,9) x (-) x 10 = 18
b) 5 x (-0,25) x 0,2 x (-4)= 1
c) -2,5 x 0,2 x (-10) x 2 = 10
d) -6 x - x x (-7) x = -4
e) -1 x 0,06 x (-) x 100 = 6
⅜·(-9/10)*(-16/3)*10/1=45/4=11 ¼
5*(-¼)*⅕*(-4/1)=1
-2.5*0,2*(-10)*2=-10
d) 6
e)6