川島隆太教授の脳活 計算120日<2>(学研脳トレミニ)

16.40 SGD
会員価格
14.76

Product Description

頭の回転力がアップ!おもしろ計算で脳活性!遊べる計算15種!1600問。穴あき算、マスの数、タテヨコ計算、ご石の数、ツリーたし算、3つの穴あき計算、2つの数計算。

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