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14-03-2022
Mathematics

contestada

here a subtraction problem that has been solved incorrectly 21-9=11 what answer I got b 11+9=20

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Аноним Аноним

14-03-2022

The Answer:

21 - 9 = 12, not 11.

explanation:

It is not much else to say here, so straightforward, the answer lies above.

Therefore,

you are correct. 11 + 9 = 20 - 9 = 11, which is correct for the given equation.

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