惠及子孙,功德无量的大胆尝试——评宋乃庆主编《小学数学文化丛书》
혜급자손,공덕무량적대담상시——평송내경주편《소학수학문화총서》
A Bold Attempt That Benefaction Immeasurable for Next Generation——A Review of Naiqing Song's Series on Primary Mathematics Culture
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