Reshenie Zadachi Uprazhnenie 151 Arginskaia Ivanovskaia Matematika | 3 Klass

The problem states Vitya did not buy the notebook or the book. This leaves only the ruler .

In the textbook by Arginskaya, Ivanovskaya, and Kormishina (Zankov System), Exercise 151 is a classic logical problem involving three friends and their items. It is designed to teach students how to organize information using tables or elimination. Exercise 151: The Logical Problem The problem states Vitya did not buy the

Sasha did not buy the book. Since Vitya already bought the ruler, Sasha must have bought the notebook . Action: Put a "Yes" for Sasha/Notebook. It is designed to teach students how to

To solve this clearly, we create a table with the names of the boys and the items they could have bought. Kolya Sasha Step 2: Use the elimination method Action: Put a "Yes" for Sasha/Notebook

Action: Put a "Yes" for Vitya/Ruler and a "No" for the others in his row/column.

Three friends— Vitya, Kolya, and Sasha —bought different things: a book , a ruler , and a notebook . Vitya did not buy the notebook or the book. Sasha did not buy the book.What did each boy buy? Step 1: Organize the data in a table

Only the book remains for Kolya. Final Solution Table Vitya Yes Sasha Yes Kolya Yes ✅ Answer Vitya bought the ruler . Sasha bought the notebook . Kolya bought the book .