oblicz:
*-znak mnozenia
A) 48*(-36)+(-36)*(-42)=
B)24*(-3)-4*(-3)=
C)(-16):4+(-24):4=
D)14:(-3)-(-8):3=
E)(-19):(-2)+(-21):2=
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a)48*(-36)+(-36)*(-42)=74088
b)24*(-3)-4*(-3)=220
C)(-16):4+(-24):4=-10
D)14:(-3)-(-8):3=-6,6
E)(-19):(-2)+(-21):2=-1
Liczę na naj.
48*(-36)+(-36)*(-42)=-1728+1512=-216
24*(-3)-4*(-3)= -72-(-12)=-72+12=60
(-16):4+(-24):4=-4+(-6)=-4-6=-10
14:(-3)-(-8):3=-4,6-(-2,6)=2
(-19):(-2)+(-21):2= 9,5-10,5=-1