Oblicz.
a) -(-(-4)) * ( 8 -(-5) * (-2) + (-4) *7 ) / ( - (-4)+11) = ?
b ...................
c....................
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a) (-4*(8+5)*(-2)-4*7)/(4+11)=
(-4*13)*(-2)-28)/15=
(-52*(-2)-28)/15=
(-104-28)/15=
-132/15=(-8,8)