OBLICZ:
4+(-1)= (-4)+(-3)= 45+(-23)=
(-5)+2= (-7)+2= (-54)+(-26)=
(-8)+5= 9+(-9)= (-36)+27=
3+(-7)= (-20)+25=
2+(-1)= (-75)+(-20)=
(-4)+4= (-14)+15=
(-9)+1= 30+(-20)=
8+(-2)= (-12)+33=
UZUPEŁNIJ:
(-6)+.........=6 6+.......=0 6+.......=0 6+........=-6 (-6)+........=-6
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zad.1
a)3 -3 -3
b)-4 1 0
c)-8 6 8
zad.2
a)-7 -5 0 5
b)41 -95 1 10
c)21 22 -80 -9
niewiem czy dobrze nie jestem dobra z matmy :p
4+(-1)= 3 (-4)+(-3)= -1 45+(-23)=22
(-5)+2= -3 (-7)+2= -5 (-54)+(-26)= 80-
(-8)+5= -3 9+(-9)= 0 (-36)+27= -9
3+(-7)= -4 (-20)+25= 5
2+(-1)= 1 (-75)+(-20)= -55
(-4)+4= 0 (-14)+15= 1
(-9)+1= -8 30+(-20)= 10
8+(-2)= 6 (-12)+33= 11
(-6)+...12....=6 6+...(-6)...=0 6+..(-6)....=0 6+.(-12)..=-6 (-6)+..0.=-6