登录
一、填空题
1. $(-49)÷7=$
2. $(+4)÷(-\dfrac{1}{8})=$
3. $(-1.6)÷(-0.4)=$
4. $(-8)÷\dfrac{4}{5}=$
5. $(-\dfrac{2}{9})÷(-4)=$
6. $0÷(-817)=$
7. $(-25)÷1\dfrac{2}{3}=$
8. $(-12\dfrac{2}{3})÷($
1. $(-49)÷7=$
-7
2. $(+4)÷(-\dfrac{1}{8})=$
-32
3. $(-1.6)÷(-0.4)=$
4
4. $(-8)÷\dfrac{4}{5}=$
-10
5. $(-\dfrac{2}{9})÷(-4)=$
$\dfrac{1}{18}$
6. $0÷(-817)=$
0
7. $(-25)÷1\dfrac{2}{3}=$
-15
8. $(-12\dfrac{2}{3})÷($
$12\dfrac{2}{3}$
$)=-1$答案
1. -7
2. -32
3. 4
4. -10
5. $\dfrac{1}{18}$
6. 0
7. -15
8. $12\dfrac{2}{3}$
2. -32
3. 4
4. -10
5. $\dfrac{1}{18}$
6. 0
7. -15
8. $12\dfrac{2}{3}$
二、计算题
9. $(-27)÷(+\dfrac{3}{2})$
10. $(-8\dfrac{8}{9})÷(-8)$
11. $8÷(-1\dfrac{4}{5})×0$
12. $(+6\dfrac{2}{3})÷(-1\dfrac{2}{3})$
13. $(-0.25)÷(+\dfrac{2}{3})×(-\dfrac{8}{5})$
14. $(-1\dfrac{2}{5})÷(-15)÷(-\dfrac{7}{3})$
15. $[(+\dfrac{1}{6})-(-\dfrac{1}{18})]÷(-\dfrac{1}{54})$
16. $(-42)÷(+\dfrac{3}{2})-(-27)÷(+\dfrac{3}{11})$
9. $(-27)÷(+\dfrac{3}{2})$
10. $(-8\dfrac{8}{9})÷(-8)$
11. $8÷(-1\dfrac{4}{5})×0$
12. $(+6\dfrac{2}{3})÷(-1\dfrac{2}{3})$
13. $(-0.25)÷(+\dfrac{2}{3})×(-\dfrac{8}{5})$
14. $(-1\dfrac{2}{5})÷(-15)÷(-\dfrac{7}{3})$
15. $[(+\dfrac{1}{6})-(-\dfrac{1}{18})]÷(-\dfrac{1}{54})$
16. $(-42)÷(+\dfrac{3}{2})-(-27)÷(+\dfrac{3}{11})$
答案
9. -18
10. $1\dfrac{1}{9}$
11. 0
12. -4
13. $\dfrac{3}{5}$
14. $-\dfrac{1}{25}$
15. -12
16. 71
10. $1\dfrac{1}{9}$
11. 0
12. -4
13. $\dfrac{3}{5}$
14. $-\dfrac{1}{25}$
15. -12
16. 71
