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How did monsters form? There are several kinds of fruits in the shop in two days. Can you ask some math questions?
How did monsters form? The shop bought several kinds of fruits in two days. Can you ask some math questions?

result

(1)5+7-4= 12-4=8 (species)

(2) You can ask: What is the fruit that you have eaten for two days?

There are four kinds of fruits: bananas, oranges, pears and pineapples.

Answer: I brought eight kinds of fruits in two days. The same fruits are bananas, oranges, pears and pineapples.