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Calculation problem that strengthens to “10”_@20
This is a collection of PDF arithmetic and calculation questions.
Since there are a lot of problems, please specify the page number when printing.
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Answers are not printable.
It is a random problem of insect-eating calculation of combinations that add up to 10, subtraction of something from 10, and subtraction of 10 from numbers up to 19.
There are 20 questions on one page. 200 pages. I don’t see the same problem on one page. 20 questions are randomly extracted from 36 questions.
problem
