rozwiąż:
8 : (- 1 3/5 ) - ( 4 1/2 * 1 2/3 -3 3/4)
-----------------------------------------------
1/2 * 2 1/2
to jest ułamek ;-)
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8 : (- 1 3/5 ) - ( 4 1/2 * 1 2/3 -3 3/4) 8 : (-8/5) - (9/2 * 5/3 - 3 3/4)
--------------------------------------------- = ------------------------------------------
1/2 * 2 1/2 1/2 * 5/2
8 * (-5/8) - (15/2 - 3 3/4) (-5) - (30/4 - 15/4) (-5) - 15/4 (-5) - 3 3/4
= -------------------------------- = ------------------------ = ----------------- = --------------
5/4 5/4 5/4 5/4
= (-8 i 3/4) : 5/4 = (-35/4) * 4/5 = - 7