1. There are 100 roots a year, and a small number of them are lost. Select 87.

Xiaoming has 60 books, and the unbreakable books may include: (This question may be misprinted, with more broken books and fewer unbreakable good books. These four numbers are not small. Small numbers may be misprinted, and the question may be: How many broken books are there? Option 58)

Class 2 has 10 checkers a year, and now there may be 12 checkers.

These questions are to test whether children can distinguish, a lot more, a little more, a lot less, a little less.

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