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Calculati folosind proprietatile adunarii (comutativa,asociativa,elementul neutru)
a)4/15+9/10+41/10+11/15;
b)17/16+12/13+15/16+14/13;
c)5/8+7/18+3/8+11/8+1/8;
d)8/14+5/14+1/3+1/14+2/3​


Calculati Folosind Proprietatile Adunarii Comutativaasociativaelementul Neutrua41591041101115b1716121315161413c587183811818d8145141311423 class=