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Efectuați :a )(-1/3)-(+1/2) d) 0,5 -1/3 c)(-1/4) - (- 1/16

Răspuns :

a) -1/3-1/2 = -2/6 - 3/6 => -5/6.
b) 0,5 - 1/3 = 1/2 - 1/3 => 3/6 - 2/6 => 1/6.
c) -1/4 -(-1/16)= -1/4 + 1/16 => -4/16 + 1/16 => -3/16.

Mult succes.