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Alinastefan79
a fost răspuns

-2,(3):[(1/3-1)+(-0,5)]-(-3)la purerea-2 *(1 1/2)la puterea2=

Răspuns :

Andreutsa10

-2 intregi si 3/9:(-2/3-5/10)-(-3)²×(11/2)²=

-21/9:(-20/30-15/30)-9×121/4=

-21/9:(-35/30)-1089/4=

21/9×30/35 -1089/4=

2-1089/4=8/4-1089/4=-1081/4

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