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Hope Cup Mathematics Grade One
Did you miscalculate? X-2Y can't get your formula above, so you can calculate it again.

Is that your answer or the standard answer? Is that so? If it is square as you said, it should be x-y.

Hehe, I think so, too. However, if you look again, X-3Y can't get the answer you said. I wonder if the answer is wrong. Sorry, I did the same as you.

If you know the answer, can you tell me the correct solution?

Sorry, I don't understand either. I have the same solution as downstairs, so I think the answer is wrong. By the way, did you write the wrong question? I think you are a little careless. Hehe, please tell me if you know the answer! thank you