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一、填空题
1. $(-1.2)^2 =$
2. $(-2\dfrac{2}{3})^2 =$
3. $(-\dfrac{5}{3})^3 =$
4. $-12×(-\dfrac{1}{2})^2 =$
5. $(-\dfrac{2}{3})÷(-4)^2 =$
6. $(-7^2)÷(-2\dfrac{1}{3})^2 =$
7. $0.125^9×(-8)^{11} =$
8. $(-4)^3÷(-\dfrac{2^3}{3^2}) =$
1. $(-1.2)^2 =$
$\dfrac{36}{25}$
2. $(-2\dfrac{2}{3})^2 =$
$\dfrac{64}{9}$
3. $(-\dfrac{5}{3})^3 =$
$-\dfrac{125}{27}$
4. $-12×(-\dfrac{1}{2})^2 =$
$-3$
5. $(-\dfrac{2}{3})÷(-4)^2 =$
$-\dfrac{1}{24}$
6. $(-7^2)÷(-2\dfrac{1}{3})^2 =$
$-9$
7. $0.125^9×(-8)^{11} =$
$-64$
8. $(-4)^3÷(-\dfrac{2^3}{3^2}) =$
$72$
答案
1. $\dfrac{36}{25}$
2. $\dfrac{64}{9}$
3. $-\dfrac{125}{27}$
4. $-3$
5. $-\dfrac{1}{24}$
6. $-9$
7. $-64$
8. $72$
2. $\dfrac{64}{9}$
3. $-\dfrac{125}{27}$
4. $-3$
5. $-\dfrac{1}{24}$
6. $-9$
7. $-64$
8. $72$
二、计算题
9. $2^5 - (-1^8) × (+4)^3$
10. $(-2\dfrac{2}{7}) ÷ (-2)^2 - (-18) × (-\dfrac{4}{3^2})$
11. $-1^{66} × (-\dfrac{3}{7}) - (-2^3) × (-\dfrac{3}{7})$
12. $(-2^6) ÷ \dfrac{4^3}{5} + (-6^2)$
13. $-(-8^2) + (-5^2) × (-\dfrac{4}{15})$
14. $(-1)^{66} × (-1\dfrac{3}{5})^2 × (-3\dfrac{1}{8})$
15. $[ (-9^2) + 4^3 ] × (-1^{277})$
16. $-4^3 × (-4\dfrac{1}{2})^3 ÷ (-12)^2$
9. $2^5 - (-1^8) × (+4)^3$
10. $(-2\dfrac{2}{7}) ÷ (-2)^2 - (-18) × (-\dfrac{4}{3^2})$
11. $-1^{66} × (-\dfrac{3}{7}) - (-2^3) × (-\dfrac{3}{7})$
12. $(-2^6) ÷ \dfrac{4^3}{5} + (-6^2)$
13. $-(-8^2) + (-5^2) × (-\dfrac{4}{15})$
14. $(-1)^{66} × (-1\dfrac{3}{5})^2 × (-3\dfrac{1}{8})$
15. $[ (-9^2) + 4^3 ] × (-1^{277})$
16. $-4^3 × (-4\dfrac{1}{2})^3 ÷ (-12)^2$
答案
9. $96$
10. $-8\dfrac{4}{7}$
11. $-3$
12. $-41$
13. $70\dfrac{2}{3}$
14. $-8$
15. $17$
16. $\dfrac{81}{2}$
10. $-8\dfrac{4}{7}$
11. $-3$
12. $-41$
13. $70\dfrac{2}{3}$
14. $-8$
15. $17$
16. $\dfrac{81}{2}$
