.
It won't just hand you the answer — it asks where you're stuck.How the checker works
Worked solution
1. 计算绝对值、负整数指数幂及零次幂
根据绝对值的定义、负整数指数幂性质以及零次幂的性质可得:
2. 计算乘除与幂的混合运算项
根据同底数幂的乘除运算法则计算最后一项:
3. 代入原式进行实数四则混合运算,得出最终结果
将上述各部分简化结果代入原式,合并常数项:
Answer
AI analysis — may contain mistakes.
Worked this one out on paper? Snap your steps and Gigle's AI math checker will circle the step where it went wrong.
More questions on this topic
- 1已知,,与…
- 2Mrs Ang runs a small tuition centre for secondary school students. The tables provide information on the cost of running…
- 3计算: ; …
- 4n is a positive integer. Explain whether, for all n, is a multiple of 3. Answer ___
- 5下列说法正确的是: (只填序号) ①相反数等于本身的是±1、0; ②0不能做除数; ③绝对值等于本身的数是0; ④倒数等于本身的数是±1、0; ⑤0除以任何数都得0.