Learning to use an abacus qualifies as a Big Pointless Goal, something that Gloria Liu describes in her recent article in the Atlantic as “an aspiration that lacks grand purpose, yet requires ...
Over five thousand secondary school learners in Ogun State have been trained on how to use abacus counting machine to solve mathematical problems. The programme, by International Academy For The ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果