Oblicz : a) 6*(-13) b) (-5)*(-12) c) 4*(-5)*(-8)*(-2) zapiszcie obliczenia !!!!!!!!!!!!!!!!
a) 6*(-13)=-78
b) (-5)*(-12)=60
c) 4*(-5)*(-8)*(-2)=-20*16=-320
b)(-5)*(-12)=60
c)4*(-5)*(-8)*(-2)=(-20)*(-8)*(-2)=160*(-2)=-320
Minus*minus daje nam plus
Plus*minus daje nam minus :)
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a) 6*(-13)=-78
b) (-5)*(-12)=60
c) 4*(-5)*(-8)*(-2)=-20*16=-320
a) 6*(-13)=-78
b)(-5)*(-12)=60
c)4*(-5)*(-8)*(-2)=(-20)*(-8)*(-2)=160*(-2)=-320
Minus*minus daje nam plus
Plus*minus daje nam minus :)