Oblicz :
a) 7 + (-9)
b) -8 + (-5)
c) 4 - 12
d) - 4 + 2
e) -9 - 6
f) -6 - (-9)
g) -4 + 8
h) -7 -2
i) -5 - (-3)
j) 7 * (-2)
k) - 9 * (-3)
l) -4 * (-5)
m) 8: (-4)
n) -18 : (-6 )
o) 45 : (-15)
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a) 7 + (-9) = -2
b) -8 + (-5) = -13
c) 4 - 12 = -8
d) - 4 + 2 = -2
e) -9 - 6 = -15
f) -6 - (-9) = 6+9 = 15
g) -4 + 8 = 4
h) -7 -2 = -9
i) -5 - (-3) = -5+3 = -2
j) 7 * (-2) = 14
k) - 9 * (-3) =27
l) -4 * (-5) = 20
m) 8: (-4) = -2
n) -18 : (-6 ) = 3
o) 45 : (-15) = -3
a) -2
B)-13
c)-8
d)-2
E)-15
f)3
g)4
h)-9
i)-2
j)-14
k)27
l)20
m)-2
n)3
o)-3