October 2018 1 11 Report
Czy to jest dobrze ?(zadanie domowe)
1.
a) -3+4•(-2) +6 =1•4= 4
b)2•(-3)-3•(-2)=2•(-3) -(-6) =2•(-3+6) = 2•3 =6
c)4+(-12):(-2)•(-6)=4+(-12):12=4+(-1) =3
d) (-2)•6-4+5=-12-4+5=-11

2.
a)-3+4•(-2)+6 =-3+(-8)=6=-5
b)2•(-3)-3•(-2)=-6-(-6)=-6+6=0
c)4+(-12):(-2)•(-6)=4+6 • (-6) = 4+(-36)=-32
d) (-2) •6-4+5=-12-9=-21

3.
a) -3+4•(-2)+6 =1• (-2)+6=4
b)2•(-3)-3•(-2)=2•(-3-3)•(-2) =2•(-6)= 24
c)4+(-12):(-2)•(-6) =-8:(-2)•(-6) =4•(-6)= -24
d)(-2)•6-4+5=-2•2+5=-2+7=5


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