Math Boot Camp Stadium

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Public stage

　
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[1] tomtommy　10 / 10　68.4 sec.

Math Boot Camp 0002-001
English ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping

[Stage 3]

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①: ( 6.9 sec. )

②: ( 5.3 sec. )

③: ( 6.0 sec. )

④: ( 7.2 sec. )

⑤: ( 7.5 sec. )

⑥: ( 6.7 sec. )

⑦: ( 7.5 sec. )

⑧: ( 6.6 sec. )

⑨: ( 7.9 sec. )

⑩: ( 6.8 sec. )

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Total: 68.4 sec.

2020/01/14 19:51:34