3 years ago

-31+(-42)= 38+(-43)=

Mathematics

1 answer:

Mice21 [21]3 years ago

3 0

Answer:

-31+(-42)= -31-42 = -73

38+(-43)= 38-43 = -5

(-) - (-) = +

(-)+(-) = +

(-)+(+) = -

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