oblicz:
b=(-2)³ - [2/3 : (-1 1/5 - 2/3) : (- 1/3)²
5/4 : √4
dam naj za najlepsza odp :)
b= (-2)³ - [2/3 : (-1 1/5 - 2/3) : (- 1/3)² ]
(-8) - [ 2/3 : (-1 i 3/15 - 10/15) : 1/9 ] (-8) - [ 2/3 : (- 1 i 13/15) * 9 ]
= ------------------------------------------------= -------------------------------------- =
5/4 : 2 5/4 * 1/2
(-8) - [ 2/3 : (-28/15) * 9 ] (-8) - [ 2/3 * (-15/28) * 9 ] (-8) - (-45/14)
= ---------------------------------- = ---------------------------------- = ----------------- =
5/8 5/8 5/8
= [ (-8) + 45/14 ] : 5/8 = (-112/14 + 45/14) * 8/5 = - 67/14 * 8/5 = - -268/70 = - 3 i 58/70 = - 3 i 29/35
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b= (-2)³ - [2/3 : (-1 1/5 - 2/3) : (- 1/3)² ]
5/4 : √4
(-8) - [ 2/3 : (-1 i 3/15 - 10/15) : 1/9 ] (-8) - [ 2/3 : (- 1 i 13/15) * 9 ]
= ------------------------------------------------= -------------------------------------- =
5/4 : 2 5/4 * 1/2
(-8) - [ 2/3 : (-28/15) * 9 ] (-8) - [ 2/3 * (-15/28) * 9 ] (-8) - (-45/14)
= ---------------------------------- = ---------------------------------- = ----------------- =
5/8 5/8 5/8
= [ (-8) + 45/14 ] : 5/8 = (-112/14 + 45/14) * 8/5 = - 67/14 * 8/5 = - -268/70 = - 3 i 58/70 = - 3 i 29/35