plis pomóżcie
1. |-1 i 1/2| - |0,7|
_____________
-2
2. |-2,3| do potęgi 2 - 1
_________________
(0,5) do potęgi 2
3. (-3) do potęgi 3
____________
|( -2) do pot. 3 - 7| + (-3) do pot.2
plis pomóżcie tylko z obliczeniami
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3. -3³/|-2³-7|+(-3)²= -27/|-8-7|+9= -27/15+9=-27/24=-1,125
2. |-2,3|² - 1/ 0,5²=5,29-1/0,25=4,29/0,25=17,16