Odpowiedzi

2010-01-18T17:59:43+01:00
A)..= (-1) * 5/2= -5/2
b) ... = 10/3 : (-30/9) = 10/3 * (-9/30) = (-3/3)= (-1)
c) ... = (-16/3) * (-11/8) = 22/3 = 7 1/3
d) ...= (-7/2) * (-5/3) = 35/6 = 5 6/6
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