指数幂是数学中一个非常重要的概念,它涉及到幂的运算规则和性质。为了帮助读者提升数学智慧,以下将提供20道经典的指数幂计算题,并附上详细的解答过程。
题目一:(2^3 \times 2^4)
解答
(2^3 \times 2^4 = 2^{3+4} = 2^7 = 128)
题目二:((3^2)^3)
解答
((3^2)^3 = 3^{2 \times 3} = 3^6 = 729)
题目三:(\frac{5^6}{5^3})
解答
(\frac{5^6}{5^3} = 5^{6-3} = 5^3 = 125)
题目四:((2^5)^2)
解答
((2^5)^2 = 2^{5 \times 2} = 2^{10} = 1024)
题目五:(\sqrt{8^3})
解答
(\sqrt{8^3} = \sqrt{(2^3)^3} = \sqrt{2^{3 \times 3}} = 2^{\frac{3 \times 3}{2}} = 2^{\frac{9}{2}} = 2^{4.5} = 2^4 \times 2^{0.5} = 16 \times \sqrt{2})
题目六:((x^2)^{\frac{1}{3}})
解答
((x^2)^{\frac{1}{3}} = x^{2 \times \frac{1}{3}} = x^{\frac{2}{3}})
题目七:(\frac{10^{12}}{10^5})
解答
(\frac{10^{12}}{10^5} = 10^{12-5} = 10^7 = 10,000,000)
题目八:((2^3)^2 \times (2^2)^3)
解答
((2^3)^2 \times (2^2)^3 = 2^{3 \times 2} \times 2^{2 \times 3} = 2^6 \times 2^6 = 2^{6+6} = 2^{12} = 4096)
题目九:(\sqrt[4]{16^2})
解答
(\sqrt[4]{16^2} = \sqrt[4]{(2^4)^2} = \sqrt[4]{2^{4 \times 2}} = 2^{\frac{4 \times 2}{4}} = 2^2 = 4)
题目十:((3^4)^{\frac{1}{2}})
解答
((3^4)^{\frac{1}{2}} = 3^{4 \times \frac{1}{2}} = 3^2 = 9)
题目十一:(\frac{7^{10}}{7^5})
解答
(\frac{7^{10}}{7^5} = 7^{10-5} = 7^5 = 16,807)
题目十二:((5^2)^3)
解答
((5^2)^3 = 5^{2 \times 3} = 5^6 = 15625)
题目十三:(\sqrt{27^3})
解答
(\sqrt{27^3} = \sqrt{(3^3)^3} = \sqrt{3^{3 \times 3}} = 3^{\frac{3 \times 3}{2}} = 3^{\frac{9}{2}} = 3^4 \times 3^{0.5} = 81 \times \sqrt{3})
题目十四:(\frac{8^{12}}{8^4})
解答
(\frac{8^{12}}{8^4} = 8^{12-4} = 8^8 = 16,777,216)
题目十五:((2^5)^{\frac{1}{3}})
解答
((2^5)^{\frac{1}{3}} = 2^{5 \times \frac{1}{3}} = 2^{\frac{5}{3}})
题目十六:(\sqrt[3]{6^4})
解答
(\sqrt[3]{6^4} = \sqrt[3]{(6^2)^2} = \sqrt[3]{6^{2 \times 2}} = 6^{\frac{2 \times 2}{3}} = 6^{\frac{4}{3}})
题目十七:(\frac{9^{10}}{9^2})
解答
(\frac{9^{10}}{9^2} = 9^{10-2} = 9^8 = 43,046,721)
题目十八:((3^4)^2)
解答
((3^4)^2 = 3^{4 \times 2} = 3^8 = 6561)
题目十九:(\sqrt[4]{5^6})
解答
(\sqrt[4]{5^6} = \sqrt[4]{(5^3)^2} = \sqrt[4]{5^{3 \times 2}} = 5^{\frac{3 \times 2}{4}} = 5^{\frac{3}{2}})
题目二十:(\frac{2^{15}}{2^{10}})
解答
(\frac{2^{15}}{2^{10}} = 2^{15-10} = 2^5 = 32)
通过以上20道题目,读者可以对指数幂的计算有更深入的理解。这些题目涵盖了指数幂的基本运算规则,包括幂的乘法、除法、幂的幂以及根式等。希望这些题目能够帮助读者提升数学智慧。
