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Alenkinab [10]
3 years ago
15

Evaluate the expression​

Mathematics
1 answer:
Aleks04 [339]3 years ago
7 0

Answer:

1

Step-by-step explanation:

(-1) × (-1) × (-1) × (-1)

And - × - = +

+ × + = +

- × + = -

: = 1

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