wartosc wyrazenia |a+3|-|5-a| dla ae(-3,5) a.-8 b)2a-2 c -2 d 8
i mam 2 tez |6-a|-|a+1+dla a nalezacego do (6, +oo) warianty 7,7-2a,5-2aczy -7 PROSZE bardzo o pomoc!
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1. a+3-(5-a)=2a-a odp. B
2. -6+a-a-1=-7