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andrey2020 [161]

3 years ago

7

- (3 x 100) + (7 x 10) + (4 x D) + (2 x 100)

1 answer:

Vlad1618 [11]3 years ago

5 0

Answer:

70 + 4D

Step-by-step explanation:

- (2 x 100) + (7 x 10) + (4 x D) + (2 x 100)

- (200) + (70) + 4D + 200

-200 + 70 +4D + 200

-130 + 4D + 200

70 + 4D

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