Oblicz.
a) -(-(-4))*[8-(-5)*(-2)+(-4)*7]/[-(-4)+11]
b) -(-(-(-5)))+(-4)*(8-12)-(-(-3))*(-12)/(-(-6))
c) -[-(-10+17)-8]/[-4+3*(-5)*(-2)/10-2]+(-7)
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a) -4*(13*(-6)*7):(4+11)=
= -4*(-546):15=
= 2184:15=145,6
b) 5+(-4)*(-4)-3*(-12):6=
=5+ 16-(-36:6)=
= 5+ 16-(-6)= 5+22=27
c) -[-7-8]:[-4+30:10-2]-7=
= -[-15]:[-4+3-2]-7=
=15:(-3)-7= -5-7=-12
a) -4*(8-10+-28):15=
-4*-30:15=
-120:15=-8