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b) |-23-(-32)| = -23+32 = 9
c) |-7-12| - |5-13| = -19 + 8 = -11
ale nie wiem czy to dobrze. :(
a)|1-∛2|=-1+³√2
b)|-23-(-32)|=|-23+32)|=9
c)|-7-12|-|5-13|=19-|-8|=19+8=27