oblicz.
a) (-3)x2x(-1)x(-2)=
b) -10x(-20)x(-3)x(-4)=
c) (-3)x(-7)x(-5)=
d) (-1)x2x(-1)x2x(-1)x2=
e)(-1)x(-2)x(-3)x(-4)x5=
Oblicz, pamiętając o kolejności wykonywania działań.
a) (-2)x6+5x(-3)=
b) 6x(-2):12x(-2)=
c) (-42):(-7)x6=
d) -8x6+4x(-14)=
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oblicz.
a) (-3)x2x(-1)x(-2)=-6*(-1)*(-2)=6*(-2)=-12
b) -10x(-20)x(-3)x(-4)=200*(-3)*(-4)=-600*(-4)=2400
c) (-3)x(-7)x(-5)=21*(-5)=-105
d) (-1)x2x(-1)x2x(-1)x2=-2*(-1)*2*(-1)*2=2*2*(-1)*2=4*(-1)*2=-4*2=-8
e)(-1)x(-2)x(-3)x(-4)x5=2*(-3)*(-4)*5=-6*(-4)*5=24*5=120
Oblicz, pamiętając o kolejności wykonywania działań.
a) (-2)x6+5x(-3)=-12-15=-27
b) 6x(-2):12x(-2)=-12:(-24)=12/24=1/2
c) (-42):(-7)x6=6*6=36
d) -8x6+4x(-14)=-48-56=-104
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