Zamien odejmowanie na dodawanie liczby przeciwnej i oblicz:
a. (-6)-4=
b. (-5)-9=
c. (-11)-2=
d. 7-10=
e. 3-(-5)=
f. (-1)-(-4) =
g. (-9)-(-3)=
h. 13(-7)=
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a. (-6)-4= (-6) + 4 = -2
b. (-5)-9= -14
c. (-11)-2= -13
d. 7-10= -3
e. 3-(-5)= 3+5 = 8
f. (-1)-(-4) = (-1) + 4 = 3
g. (-9)-(-3)= (-9) + 3 = -6
h. 13-(-7)= 13 + 7 = 20