1. 计算:
(1) $(-5)^3$;
(2) $(-3)^4$;
(3) $0^{1314}$;
(4) $(-1)^{77}$;
(5) $(-1)^{88}$;
(6) $(-1.4)^2$;
(7) $(-\dfrac{1}{3})^3$;
(8) $(-1\dfrac{2}{3})^2$;
(9) $(-0.5)^4$。
(1) $(-5)^3$;
(2) $(-3)^4$;
(3) $0^{1314}$;
(4) $(-1)^{77}$;
(5) $(-1)^{88}$;
(6) $(-1.4)^2$;
(7) $(-\dfrac{1}{3})^3$;
(8) $(-1\dfrac{2}{3})^2$;
(9) $(-0.5)^4$。
答案
(1) -125
(2) 81
(3) 0
(4) -1
(5) 1
(6) 1.96
(7) $-\frac{1}{27}$
(8) $\frac{25}{9}$
(9) $\frac{1}{16}$
(2) 81
(3) 0
(4) -1
(5) 1
(6) 1.96
(7) $-\frac{1}{27}$
(8) $\frac{25}{9}$
(9) $\frac{1}{16}$
2. 计算:
(1) $-(-4)^3$;
(2) $-(-3)^4$;
(3) $-2^5$;
(4) $-(-5^2)$;
(5) $-1^{99}$;
(6) $-0.4^2$;
(7) $-(-\dfrac{3}{2})^3$;
(8) $-\dfrac{4^2}{5}$;
(9) $\dfrac{1}{(-3)^2}$;
(10) $\dfrac{2^3}{3^2}$;
(11) $-\dfrac{(-2)^2}{5}$;
(12) $-\left| -\dfrac{3}{4} \right|^3$。
(1) $-(-4)^3$;
(2) $-(-3)^4$;
(3) $-2^5$;
(4) $-(-5^2)$;
(5) $-1^{99}$;
(6) $-0.4^2$;
(7) $-(-\dfrac{3}{2})^3$;
(8) $-\dfrac{4^2}{5}$;
(9) $\dfrac{1}{(-3)^2}$;
(10) $\dfrac{2^3}{3^2}$;
(11) $-\dfrac{(-2)^2}{5}$;
(12) $-\left| -\dfrac{3}{4} \right|^3$。
答案
(1) 64
(2) -81
(3) -32
(4) 25
(5) -1
(6) -0.16
(7) $\frac{27}{8}$
(8) $-\frac{16}{5}$
(9) $\frac{1}{9}$
(10) $-\frac{8}{9}$
(11) $-\frac{4}{5}$
(12) $-\frac{27}{64}$
(2) -81
(3) -32
(4) 25
(5) -1
(6) -0.16
(7) $\frac{27}{8}$
(8) $-\frac{16}{5}$
(9) $\frac{1}{9}$
(10) $-\frac{8}{9}$
(11) $-\frac{4}{5}$
(12) $-\frac{27}{64}$
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