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Efectuati adunarile
a) -3 1/14 +(-1 2/7+5/6)


Răspuns :

-12÷7≈-1.71
5÷6≈0.8(3)
-31÷14≈-2.21
-1.71+0.83≈-0.88
-2.21+-0.88≈-3.09