Oblicz:
a) (-6)-2-(-4) =
b) (-10)+5-7 =
c) 5-13-(-2)
d) 6+(-8)-(-3)
e) (-7)+(-12)-6+18
f) 25+(-16)-(-12)-3
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a) (-6)-2-(-4) = -6-2+4= -8+4= - 4
b) (-10)+5-7 =-10+5-7= -17 + 5 = - 12
c) 5-13-(-2) = 5 - 13 +2 = -13 + 7 = - 6
d) 6+(-8)-(-3) = 6 -8 + 3 = 9 - 8 = 1
e) (-7)+(-12)-6+18 = -7 - 12 - 6 + 18 = -25 + 18 = - 7
f) 25+(-16)-(-12)-3 = 25 - 16 + 12 - 3 = 37 - 19 = 18
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