“微信扫一扫”进入题库练习及模拟考试
计算下列各式(式子中字母都是正数)
参考答案:原式= \({[{(0.3)^3}]^{\tfrac{2}{3}}} + {[{(\frac{3}{5})^3}]^{ - \tfrac{1}{3}}} - {[{(\frac{5}{3})^2}]^{0.5}}\)
= \({(0.3)^2} + {(\frac{3}{5})^{ - 1}} - \frac{5}{3}\)
= \(\frac{9}{{100}} + \frac{5}{3} - \frac{5}{3}\)
= \(\frac{9}{{100}}\)