| [8] Beth 4 / 5 34.1 sec. | | Pre Math Boot Camp 0002-002
English ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 9] --- ①: ( 7.5 sec. ) ②: ( 6.0 sec. ) ③: ( 6.9 sec. ) ④: ( 7.5 sec. ) ⑤: ( 6.2 sec. ) --- Total: 34.1 sec. | | | 2019/12/05 09:32:15 | |
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| [7] bamboo 3 / 5 48.6 sec. | | Pre Math Boot Camp 0002-003
English ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 9] --- ①: ( 9.4 sec. ) ②: ( 9.7 sec. ) ③: ( 10.6 sec. ) ④: ( 10.6 sec. ) ⑤: ( 8.3 sec. ) --- Total: 48.6 sec. | | | 2019/11/28 19:51:41 | |
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| [6] tomtommy 4 / 5 31.7 sec. | | Pre Math Boot Camp 0002-001
Japanese ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 9] --- ①: ( 5.5 sec. ) ②: ( 6.6 sec. ) ③: ( 6.4 sec. ) ④: ( 7.0 sec. ) ⑤: ( 6.2 sec. ) --- Total: 31.7 sec. | | | 2019/11/28 10:06:39 | |
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| [5] Beth 5 / 5 33.1 sec. | | Pre Math Boot Camp 0002-001
English ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 4] --- ①: ( 6.8 sec. ) ②: ( 6.5 sec. ) ③: ( 6.4 sec. ) ④: ( 7.1 sec. ) ⑤: ( 6.3 sec. ) --- Total: 33.1 sec. | | | 2019/11/28 00:46:48 | |
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| [4] tomtommy 4 / 5 31.3 sec. | | Pre Math Boot Camp 0002-003
Japanese ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 1] --- ①: ( 6.5 sec. ) ②: ( 5.4 sec. ) ③: ( 5.3 sec. ) ④: ( 6.6 sec. ) ⑤: ( 7.5 sec. ) --- Total: 31.3 sec. | | | 2019/11/27 08:51:36 | |
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| [3] tomtommy 5 / 5 28.4 sec. | | Pre Math Boot Camp 0002-001
Japanese ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 5] --- ①: ( 6.1 sec. ) ②: ( 4.8 sec. ) ③: ( 6.3 sec. ) ④: ( 5.2 sec. ) ⑤: ( 6.0 sec. ) --- Total: 28.4 sec. | | | 2019/11/26 10:21:24 | |
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| [2] Dustin 5 / 5 30.0 sec. | | Pre Math Boot Camp 0002-001
English ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 1] --- ①: ( 6.2 sec. ) ②: ( 5.2 sec. ) ③: ( 6.0 sec. ) ④: ( 5.7 sec. ) ⑤: ( 6.9 sec. ) --- Total: 30.0 sec. | | | 2019/11/25 00:42:09 | |
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| [1] tomtommy 5 / 5 31.7 sec. | | Pre Math Boot Camp 0002-002
Japanese ed. / Amazon Kindle / 1-digit minus 1-digit subtraction without regrouping [Stage 6] --- ①: ( 6.1 sec. ) ②: ( 5.6 sec. ) ③: ( 8.2 sec. ) ④: ( 4.5 sec. ) ⑤: ( 7.3 sec. ) --- Total: 31.7 sec. | | | 2019/11/24 08:18:03 | |
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