27. Solve respectively
1 poir
45 - (-11)
(-25) - (-42)
57 +(-4)
(-42) - (-25
O
>> respectively
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resnectively
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45 - (-11) = 45 + 11 = 56
(-25) - (-42) = (-25) + 42 = 17
57 + (-4) = 57 - 4 = 53
(-42) - (-25) = (-42) + 25 = -17
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