畫線算乘法 我99乘法表都背不是很熟了. 還出了22×22乘法表真是恐怖阿. 未來要教育孩子的話.還是乖乖的花點時間背22 x 22乘法表. 下面有個畫線算數學還滿有意思的.看一看後相信你也會算大數乘法. Leave a ReplyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.
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