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有理数的乘方的 注意点

有理数的乘方的 注意点. 桐庐县三合初级中学 冯盼盼. 指数. 底数. 幂. 有理数的乘方的 3 个注意点：. ①. 底数是 负数 时，要加括号. 底数. -2. 2. 表示. =4. 底数是 分数 时，要加括号. ②. 底数. 2. 表示. ③. 运算的先后顺序： 括号 → 乘方 → 乘除 → 加减. 表示. （ 2×3 ） × （ 2×3 ）. =36. =18. 练习一：. 综合练习：.

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有理数的乘方的 注意点

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  1. 有理数的乘方的注意点 桐庐县三合初级中学 冯盼盼

  2. 指数 底数 幂

  3. 有理数的乘方的3个注意点： ① 底数是负数时，要加括号 底数 -2 2 表示 =4 底数是分数时，要加括号 ② 底数 2 表示 ③ 运算的先后顺序：括号→乘方→乘除→加减 表示 （2×3）×（ 2×3 ） =36 =18

  4. 练习一：

  5. 综合练习：

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