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1 [3.8(3)-2.(54)*11/28]:2.(3)
2 [0.(5)+1.(75)+0.3(6)]:(1/4+2 5/13+109/156)+0.19(60)

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Răspuns :


=(3intregi si 75/90-2intregi si 54/99 *11/28)/2intregi si 3/9=

(345/90-252/99*11/28)/2intregi si 1/3= 115/30 *3/7=23/14