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shtirl [24]
3 years ago
5

Help mee plezzzzzzzzzzzzzzzzzzz

Mathematics
2 answers:
Gnesinka [82]3 years ago
8 0

Answer:

-81

Step-by-step explanation:

GalinKa [24]3 years ago
7 0
9:(9+-10)x9
= 9:-1x9
-9x9
= -81
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