1. OBLICZ.
a) (-3) x 2 x (-1) x (-2) =
b) -10 x (-20) x (-3) x (-4) =
c) (-3) x (-7) x (-5) =
d) (-1) x 2 x (-1) x 2 x (-1) x 2 =
e) (-1) x (-2) x (-3) x (-4) x 5 =
2. Oblicz, pamiętając o kolejności wykonywania zadań.
a) (-2) x 6 + 5 x (-3) =
b) 6 x (-2) : 12 x (-2) =
c) (-42) : (-7) x 6 =
d) -8 x 6 + 4 x (-14) =
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1.
a)-12
b)2400
c)-105
d)-8
e)120
2.a)-12+(-15)=-12-15=-27
b)-12:(-24)=0,5
c)(-42):(-42)=1
d)-48+(-56)=-48-56=-104
1.
a)-5x(-1)x(-2) 5x(-2)=-10
b)-10x(-20)x(-3)x(-4)=200x12=2400
c)(-3)x(-7)x(-5)=-65
d)(-1)x2x(-1)x2x(-1)x2=-8
e)(-1)x(-2)x(-3)x(-4)x5=120
2.
a)(-2)x6+5x(-3)=-12+(-15)=27
b)6x(-2):12x(-2)=2
c)(-42); (-7)x6=36
d)-8x6+4x(-14)=516