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Asociați convenabil termeni sumei si efectuati b) 23/35+13/49+2/35+1/49. c)1/11+21/44+9/11+23/44. d)11/10+7/30+2/17+11/51. e)1/11+1/23+9/22+21/46. f)1/99+37/65+97/99+28/65

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Răspuns:

Explicație pas cu pas:

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