QUESTION IMAGE
Question
- 计算:$(-2)^2 + |sqrt{3} - 2| - sqrt{3^2} - sqrt3{8}$
Step1: 计算乘方与开方
$(-2)^2=4$,$\sqrt{3^2}=3$,$\sqrt[3]{8}=2$
Step2: 去绝对值符号
因为$\sqrt{3}<2$,所以$|\sqrt{3}-2|=2-\sqrt{3}$
Step3: 代入原式计算
将上述结果代入原式:
$4+(2-\sqrt{3})-3-2$
Step4: 化简计算
$4+2-\sqrt{3}-3-2=1-\sqrt{3}$
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$1-\sqrt{3}$