Oblicz:
a)(-5)+7
(-3)+(-8)
2+(-9)
(-6)+6
b)4-10
17-(-4)
(-1)-8
0-(-9)
c)(-14)-(-5)
(-1)-(-6)
(-3)-3
(-5)+7 = 2
(-3)+(-8) = -3 - 8 =-11
2+(-9) = 2-9 = -7
(-6)+6 = 0
4-10 = -6
17-(-4) = 17 + 4 = 21
(-1)-8 = -9
0-(-9) = 0+9 = 9
(-14)-(-5) = -14 + 5 = -9
(-1)-(-6) = -1 + 6 = 5
(-3)-3 = -6
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(-5)+7 = 2
(-3)+(-8) = -3 - 8 =-11
2+(-9) = 2-9 = -7
(-6)+6 = 0
4-10 = -6
17-(-4) = 17 + 4 = 21
(-1)-8 = -9
0-(-9) = 0+9 = 9
(-14)-(-5) = -14 + 5 = -9
(-1)-(-6) = -1 + 6 = 5
(-3)-3 = -6