Math Boot Camp Stadium

Stage Name：[OFFICIAL] [#00014] Pre Math Boot Camp 0008

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[1] tomtommy　4 / 5　32.2 sec.

Pre Math Boot Camp 0008-001
Japanese ed. / Amazon Kindle / 2-digit minus 1-digit subtraction with regrouping : range 10 to 40

[Stage 6]

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①: ( 5.8 sec. )

②: ( 5.8 sec. )

③: ( 6.6 sec. )

④: ( 7.1 sec. )

⑤: ( 6.9 sec. )

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Total: 32.2 sec.

2020/02/18 20:45:09