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mojhsa [17]
3 years ago
15

HELP HELP HELP HELP HELP

Mathematics
2 answers:
velikii [3]3 years ago
8 0

Answer:

+80=0 at the end of the thing

Step-by-step explanation:

eimsori [14]3 years ago
4 0

Answer:

81

Step-by-step explanation:

-9+9= 18

9x9= 81

they have to use the same number, but one is added and the other is multiplied

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