Count relaxed happy quick (3 risultati)

paperback. Condizione: New. Paperback. Pub Date :2009-02-01 Pages: 90 Language: Chinese Publisher: Changchun Publishing House. relaxed and happy I count quick calculation every day to practice mental arithmetic thin: Grade 6 (Vol.2) (who teach standard version) will textbook knowledge conduct a comprehensive. systematic optimization of the design and layout combinations. and keeping up with the progress of teaching. can rapidly improve pupils port operator. mental arithmetic. skills. techniques and basic computing powe.…

paperback. Condizione: New. Paperback. Pub Date :2013-12-01 Pages: 90 Language: Chinese Publisher: Changchun Publishing House. relaxed and happy I count quick calculation every day to practice mental arithmetic thin: 1 Year (Vol.2) (class standard version BNU) The textbook knowledge conduct a comprehensive. systematic optimization of the design and layout combinations. and keeping up with the progress of teaching. can rapidly improve pupils port operator. mental arithmetic. skills. techniques and basic computing power .…

paperback. Condizione: New. Paperback. Pub Date :2013-12-01 Pages: 90 Language: Chinese Publisher: Changchun Publishing House. relaxed and happy I count quick calculation every day to practice mental arithmetic thin: 2 Year (Vol.2) (who teach standard version) will textbook knowledge conduct a comprehensive. systematic optimization of the design and layout combinations. and keeping up with the progress of teaching. can rapidly improve pupils port operator. mental arithmetic. skills. techniques and basic computing power.…