Oblicz:
1
1) (-1 _) ^ 3 + 1 =
2
2) (-128) * 1/32 =
3) 5/6 ^ 2
----------- =
16
^ - potęga ----- -> kreska ułamkowa * - razy
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1 3 3 3 3 27 3 3
1)(-1 _) ^ 3 + 1 =(- ___)^3 +1=(- ___) * (- ___) * (- ___) +1= (- ___) +1=(-3 ___)+1=(-2_)
2 2 2 2 2 8 8 8
-128
2) (-128) * 1/32= _____=-4
32
3) 5/6 ^ 2 5/6 * 5/6 25/36 25
----------- = _________=_______=_____
16 16 16 576
1) (-3/2)^3+1 = - 27/8 +1 = -3⅜ +1 = -2⅜
2) -128*1/32 = -4 (skracasz 128 i 32)
3) 5/6 ^ 2 25/36 25
------------- = ----------- = ------
16 16 576