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______________________ =
-9/10 x 5/9 - 1/2
-6/5 x 2/3 - 8/10 x 9/16
_____________________ =
-1/2 x 1/1 - 1/2
-6/5 - 8/10 x 9/16
_________________ =
-1/2 - 1/2
-6/5 - 1/10 x 9/ 2
_______________ =
-1/2 - 1/2
-6/5 (rozszerz do 4) - 9/20
____________ =
-1
-24/20 - 9/20
____________ =
-1
-33/20
_______ = -33/20 x (-1/1) = 33/20 = 1 11/20( rozszerz do 5 )= 1,65
-1
To było A :)
-2 x (-0,5) do potęgi 2 + (-2)
_______________________ =
-0,1 x (-1,3 +6 x (-0,2) )
-2 x 0,25 - 2
___________ =
-0,1 x (-1,3 +(-1,2) )
-0,50 - 2
__________ =
-0,1 x (-2,5)
-2,50
_____ = -10
0,25
To B. Liczę na naj!