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ELEN [110]
2 years ago
8

here a subtraction problem that has been solved incorrectly for 21-9=11 choose the addition sentence that check this subtraction

problem what is the answer​
Mathematics
1 answer:
vitfil [10]2 years ago
6 0

Answer:

21-9 = 12

Step-by-step explanation:

I don't know if this is the correct sentence you are looking for though but i hope it helps

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