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4,5,6 si 1...va roggg!!ma abonez...

456 Si 1va Rogggma Abonez class=

Răspuns :

2/5x(-3/4)=-3/10
(2/3)²=4/9
-2 1/3=-7/3=-3/7
|-3/4|+|1/2|=-(-3/4)+1/2=3/4+1/2=5/4