1. 口算:
(1)$(-1)^{5}=$
(4)$(-3)^{2}=$
(7)$(-\frac {1}{2})^{3}=$
(10)$0^{2025}=$
(13)$\frac {-3^{2}}{6}=$
(1)$(-1)^{5}=$
-1
; (2)$(-1)^{2025}=$-1
; (3)$(-0.1)^{2}=$0.01
;(4)$(-3)^{2}=$
9
; (5)$-(-3)^{2}=$-9
; (6)$-3^{2}=$-9
;(7)$(-\frac {1}{2})^{3}=$
$-\frac{1}{8}$
; (8)$10^{4}=$10000
; (9)$(-\frac {1}{6})^{2}=$$\frac{1}{36}$
;(10)$0^{2025}=$
0
; (11)$-(-1)^{4}=$-1
; (12)$(-0.01)^{3}=$-0.000001
;(13)$\frac {-3^{2}}{6}=$
$-\frac{3}{2}$
; (14)$(\frac {3}{2})^{4}=$$\frac{81}{16}$
; (15)$-[+(-2)]^{6}=$-64
.
答案:
1.
(1) -1
(2) -1
(3) 0.01
(4) 9
(5) -9
(6) -9
(7) $-\frac{1}{8}$
(8) 10000
(9) $\frac{1}{36}$
(10) 0
(11) -1
(12) -0.000001
(13) $-\frac{3}{2}$
(14) $\frac{81}{16}$
(15) -64
(1) -1
(2) -1
(3) 0.01
(4) 9
(5) -9
(6) -9
(7) $-\frac{1}{8}$
(8) 10000
(9) $\frac{1}{36}$
(10) 0
(11) -1
(12) -0.000001
(13) $-\frac{3}{2}$
(14) $\frac{81}{16}$
(15) -64
2. 计算:
(1)$-2^{2}×(-2)^{2}$; (2)$-3^{3}×(-\frac {1}{3})^{3}$;
(3)$(-2)^{2024}×(\frac {1}{2})^{2025}$; (4)$(-2)^{3}÷4×(-1)^{100}×5$;
(5)$(-1)^{2024}÷\frac {8}{3}×(-2)^{3}$; (6)$-2^{3}÷\frac {4}{9}×(-\frac {2}{3})^{2}$;
(7)$-3^{2}×(-8)÷3÷(-2)$; (8)$(-3)^{2}÷(1\frac {1}{2})^{2}×\frac {1}{3}$.
(1)$-2^{2}×(-2)^{2}$; (2)$-3^{3}×(-\frac {1}{3})^{3}$;
(3)$(-2)^{2024}×(\frac {1}{2})^{2025}$; (4)$(-2)^{3}÷4×(-1)^{100}×5$;
(5)$(-1)^{2024}÷\frac {8}{3}×(-2)^{3}$; (6)$-2^{3}÷\frac {4}{9}×(-\frac {2}{3})^{2}$;
(7)$-3^{2}×(-8)÷3÷(-2)$; (8)$(-3)^{2}÷(1\frac {1}{2})^{2}×\frac {1}{3}$.
答案:
2.
(1) -16
(2) 1
(3) $\frac{1}{2}$
(4) -10
(5) -3
(6) -8
(7) -12
(8) $\frac{4}{3}$
(1) -16
(2) 1
(3) $\frac{1}{2}$
(4) -10
(5) -3
(6) -8
(7) -12
(8) $\frac{4}{3}$
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