Feedback on cooperation with the Abacus Arithmetic project
Feedback on cooperation with Abacus Arithmetic from the project partner
Feedback from one of the partners of the Abacus Arithmetic project
Feedback on the experience of working with the Abacus Arithmetic project
Feedback on working on the Abacus Arithmetic platform from project partners
Mental arithmetic. Description of the Abacus Arithmetic project portal for organizing the learning process
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