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一、填空题
1. $(-4)^2 =$
2. $-4^2 =$
3. $-(-4)^2 =$
4. $(-3)^3 =$
5. $(-0.2)^3 =$
6. $-1^{208} =$
7. $-\dfrac{3^3}{4} =$
8. $(-\dfrac{3}{4})^3 =$
9. $(-4×3)^2 =$
10. $-4×3^2 =$
1. $(-4)^2 =$
16
2. $-4^2 =$
-16
3. $-(-4)^2 =$
-16
4. $(-3)^3 =$
-27
5. $(-0.2)^3 =$
-0.008
6. $-1^{208} =$
-1
7. $-\dfrac{3^3}{4} =$
$-\dfrac{27}{4}$
8. $(-\dfrac{3}{4})^3 =$
$-\dfrac{27}{64}$
9. $(-4×3)^2 =$
144
10. $-4×3^2 =$
-36
答案
1. 16
2. -16
3. -16
4. -27
5. -0.008
6. -1
7. $-\dfrac{27}{4}$
8. $-\dfrac{27}{64}$
9. 144
10. -36
2. -16
3. -16
4. -27
5. -0.008
6. -1
7. $-\dfrac{27}{4}$
8. $-\dfrac{27}{64}$
9. 144
10. -36
二、计算题
11. $-18÷(-\dfrac{1}{3})^2$
12. $(-10)^3÷(-10)^4$
13. $(-2)^3×(-2^2)$
14. $(-\dfrac{4}{3})^3×(-\dfrac{3}{4})^4$
15. $(-3^2)+(-8)^2$
16. $(-4)^3+(-9)^2$
17. $6^2×(\dfrac{1}{6})^2$
18. $8^3×(\dfrac{1}{8})^2$
11. $-18÷(-\dfrac{1}{3})^2$
12. $(-10)^3÷(-10)^4$
13. $(-2)^3×(-2^2)$
14. $(-\dfrac{4}{3})^3×(-\dfrac{3}{4})^4$
15. $(-3^2)+(-8)^2$
16. $(-4)^3+(-9)^2$
17. $6^2×(\dfrac{1}{6})^2$
18. $8^3×(\dfrac{1}{8})^2$
答案
11. -162
12. $-\dfrac{1}{10}$
13. 32
14. $-\dfrac{3}{4}$
15. 55
16. 17
17. 1
18. 8
12. $-\dfrac{1}{10}$
13. 32
14. $-\dfrac{3}{4}$
15. 55
16. 17
17. 1
18. 8
