QUESTION IMAGE
Question
- 计算:$-2^{3}-|1-sqrt{2}|-sqrt3{-8}\timessqrt{(-3)^{2}}$
Step1: 计算乘方与开方
$-2^3=-8$,$\sqrt{(-3)^2}=3$,$\sqrt[3]{-8}=-2$
Step2: 去绝对值符号
因为$\sqrt{2}>1$,所以$|1-\sqrt{2}|=\sqrt{2}-1$
Step3: 代入原式计算乘法
将上述结果代入,先算乘法:$-2\times3=-6$
原式变为:$-8-(\sqrt{2}-1)-(-6)$
Step4: 去括号并化简
$-8-\sqrt{2}+1+6$
合并常数项:$-8+1+6=-1$
Snap & solve any problem in the app
Get step-by-step solutions on Sovi AI
Photo-based solutions with guided steps
Explore more problems and detailed explanations
$-1-\sqrt{2}$