こんにちは！「100日後にそろばん完全マスター！」の主です。 Youtube71日目の動画「 そろばん3級 小数点の入ったかけ算のやり方 基本A（指を押さえるver.）」の内容を簡単に解説します。 第八章のそろばん3級編の解説がついに始まりました！ 3級は上級に ...

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You can multiply a mixed number by an integer using two different methods. You can convert the mixed number into an improper fraction. An improper fraction has a numerator greater than its denominator ...