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) *[8 -(-5) *(-2)+(-4) *7] : [-(-4) +11]=
-4*[8- 10 -28] : 15 =
- 4 * (-30) :15 = 120 : 15 = 8
b) -(-(-(-5))) + (-4)* (8 +12) -(-(-(-3)) * (-12) : (-(-6)) =
( 5 +(-4) * 20 +3) * 2 =
(5 - 80 +3) * 2 = -72 * 2 = - 36
c) -[-(-10 +17) -8] : [-4 +3 *(-5) *(-2) :10 -2] + (-7)=
-[ -( 7 ) -8 ] :[ -4 +30 : 10 -2] -7=
- [ -15] : [ -4 +3 -2] -7=
- [-15] : {-3) -7= - 5 - 7 = -12