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01-有理数引入【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 12.18 MB | |
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02-负数的定义【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 13.69 MB | |
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03-有理数【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 19.47 MB | |
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04-数轴【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 14.14 MB | |
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05-有理数概念辨析【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 13.69 MB | |
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06-相反数【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 11.78 MB | |
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07-绝对值【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 13.87 MB | |
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08-字母的相反数【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 8.14 MB | |
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09-绝对值概念辨析【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 12.4 MB | |
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10-根据绝对值求原数【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 9.18 MB | |
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11-根据绝对值求取值范围【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 9.13 MB | |
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12-绝对值的非负性【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 9.04 MB | |
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13-有理数的加法(同号)【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 15 MB | |
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14-有理数的加法(异号)【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 16.83 MB | |
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15-有理数的减法【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 24.69 MB | |
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16-加减混合运算【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 8.52 MB | |
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17-化简含绝对值的式子【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 15.27 MB | |
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18-绝对值的几何意义【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 11.19 MB | |
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19-有理数的乘法(异号)【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 17.36 MB | |
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20-有理数的乘法(同号)【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 21.16 MB | |
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21-负负得正【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 20.39 MB | |
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22-有理数的除法【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 27.73 MB | |
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23-乘除混合运算【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 9.78 MB | |
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24-四则混合运算【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 5.04 MB | |
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25-有理数的乘方【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 21.46 MB | |
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26-负数的乘方运算【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 24.74 MB | |
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27-巧用1和-1的高次方【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 14.65 MB | |
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28-科学记数法【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 28.68 MB | |
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29-五则混合运算【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 5.31 MB | |
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30-有理数的简算【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 10.65 MB | |
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31-与有理数有关的新定义问题【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 10.51 MB | |
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32-用计算器进行运算【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 14.53 MB | |
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精讲1-等差数列与等比数列【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 10.36 MB | |
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精讲2-数表找规律【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 8.86 MB | |
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精讲3-找周期性规律【公众号：学爸优选】.ts | 2024-06-22 23:07:11 | 9.06 MB |