It seems you are looking for the for the 2nd Grade Russian Language textbook by Kanakina and Goretsky , specifically for a certain "piece" or part.
provides detailed explanations that can be very helpful for understanding the grammar rules behind the answers. reshebnik po russkomu iazyku 2 klass kanakina goretskii
Since the textbook is divided into two parts, you can find the complete solutions on several popular educational platforms: It seems you are looking for the for
is another widely used resource for quick access to exercise numbers and their corresponding solutions. reshebnik po russkomu iazyku 2 klass kanakina goretskii