Lightning Rapid Calculation:
A.T. (2 years and 8 months old)

Ms. Shizue Abe,
Mother of a 22 months old

Ms. Yukie Kaneko,
Mother of a 3 years old

Arithmetic: Mari Ikeda
(2 years and 8 months old)

Arithmetic: Ryutaro Aoki
(4 years and 4 months old)

Arithmetic: Kento Kumagai
(5 years and 10 months old)

Arithmetic: Natsuko Ogasawara
(6 years and 2 months old)

Mother of Wakana Kunimoto
(2 years and 8 months old)

Mother of Saki

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