题目
(7) sqrt ({11)^2+((4sqrt {3))}^2}
题目解答
答案
解析
步骤 1：计算 ${11}^{2}$
${11}^{2} = 121$
步骤 2：计算 ${(4\sqrt {3})}^{2}$
${(4\sqrt {3})}^{2} = 16 \times 3 = 48$
步骤 3：计算 $\sqrt {{11}^{2}+{(4\sqrt {3})}^{2}}$
$\sqrt {{11}^{2}+{(4\sqrt {3})}^{2}} = \sqrt {121 + 48} = \sqrt {169} = 13$
${11}^{2} = 121$
步骤 2：计算 ${(4\sqrt {3})}^{2}$
${(4\sqrt {3})}^{2} = 16 \times 3 = 48$
步骤 3：计算 $\sqrt {{11}^{2}+{(4\sqrt {3})}^{2}}$
$\sqrt {{11}^{2}+{(4\sqrt {3})}^{2}} = \sqrt {121 + 48} = \sqrt {169} = 13$