How is this true?.........

asked Oct 27, 2023 130k views

13 votes

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7 votes

Answer:

because the a and the b both have ones next to them so a is 1 and b is 1 so the sum is 2 and the minus changes because it is within the two lines

Step-by-step explanation:

Vitaly Babiy answered Nov 2, 2023

7.5k points

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