OBLICZ :
( -3 ) x ( -4 ) x ( -5 ) x 1/20 =
1,2 x ( -1 2/3 ) x 2/3 x ( -6,6 ) =
(-2 2/3 ) x 1,5 x ( - 3/8 ) x ( - 2/3 ) =
( - 2,8 ) : ( - 0,4 ) =
6,25 : ( - 0,25 ) =
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(-3) x (-4) x (-5) x 1/20=(-3) x (-4) x (-1/4)=(-3)
1,2 x (-1 2/3) x 2/3 x (-6,6) = 6/5 x (-5/3) x 2/3 x (-33/5) = -2 x -22\5 = 44\5 = 8 i 4\5
(-2 2/3) x 1,5 x ( -3/8) x (-2/3) = (-8/3) x 3/2 x (-3/8) x (-2/3)=1
(-2,8):(-0,4) = (-14/5) : (-2/5) = (-14/5) x (-5/2) = 7
6,25 : (-0,25) = 25/4 :(-1/4) = -25
( -3 ) x ( -4 ) x ( -5 ) x 1/20 = 12 x (- 1/4)= -3
1,2 x ( -1 2/3 ) x 2/3 x ( -6,6 ) = 6/5 x (- 5/3) x 2/3 x (-33/5)= -2 x (-22/5)=44/5=8i4/5
(-2 2/3 ) x 1,5 x ( - 3/8 ) x ( - 2/3 ) = (-8/3) x 3/2 x (-3/8) x (-2/3)=-4 x 1/4 = -1
( - 2,8 ) : ( - 0,4 ) = -14/5 : (-2/5)= -14/5 x (-5/2)=7
6,25 : ( - 0,25 ) = 25/4 : (-1/4)= 25/4 x (-4/1) = -25