The writer has carried out contrast experiments based on current Abacus Mental Arithmetic class, which has 48 students / by By Mr. Wu Yanhua, Changchun Beilesi Kindergarten, Changchun, Jilin Province, China.
تهران ، خیابان خرمشهر (آپادانا) ، خیابان عربعلی (نوبخت) ، خیابان یکم ، پلاک ۱۰ ، ساختمان اداری سرو ، واحد ۷
تلفن : 3-88523131-021
فکس : 3-88523131-021
Email: info@smartacademy.irThe writer has carried out contrast experiments based on current Abacus Mental Arithmetic class, which has 48 students / by By Mr. Wu Yanhua, Changchun Beilesi Kindergarten, Changchun, Jilin Province, China.
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