Oblicz(pamietaj o własciwej kolejnosciwykonywania działan):
a) -11-12:(-6)
b)-8-8*(-4)-4*(-6)
c)7+(-15) -8
-------- + ------
2 -3-1
d) -11-9 6-12
------ - ------
-4 -3
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a) -11-12 : (-6) = -11+2 = 8
b) -8-8*(-4)-4*(-6) = -8 + 32 + 24 = 0
c) (-8/2)+(-8/-4) = -4+ 2 = -2
d) -20/-4 - -6/-3 = 5-2 = 3