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Airida [17]
3 years ago
13

Long addition for integers

Mathematics
2 answers:
Oliga [24]3 years ago
8 0
-9 + 6 + (-7) +3=
-9 +6 = -3
-3 + (-7)= -10
-10 +3= -7
velikii [3]3 years ago
4 0

-4 + 9 = 5

-81 + -56 = -137

40 + 23 = 63

positive + negative (convert it to subtraction the sign changes when it depends on the higher number)

negative + negative = negative

positive + positive = positive

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