m3sally
m3sally
18-04-2021
Mathematics
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gayanepoghosyan
gayanepoghosyan
18-04-2021
-9-(-12)=-9+12=3
-9-12=-9+(-12)=-21
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okerekechidinma18
okerekechidinma18
18-04-2021
Answer:
- and -. =+ so-9+12=3
Step-by-step explanation:
the minus changes to plus and then we solve
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