1. 计算:$(-99\frac{15}{17})×34$.
答案:
1.解:原式$=-3396$.
2. 计算:$(-36\frac{4}{7})÷(-4)$.
答案:
2.解:原式$=9\frac{1}{7}$.
3. 计算:$89\frac{1}{10}÷(-9)$.
答案:
3.解:原式$=-9\frac{9}{10}$.
4. 计算:$5\frac{5}{36}×72$.
答案:
4.解:原式$=370$.
5. 计算:$(-54\frac{3}{13})÷3$.
答案:
5.解:原式$=-18\frac{1}{13}$.
6. 计算:$(-57\frac{9}{40})×(-5)$.
答案:
6.解:原式$=286\frac{1}{8}$.
7. 计算:$(-\frac{1}{24})÷(-\frac{1}{2}+\frac{5}{6}-\frac{3}{8}+\frac{5}{12})$.
答案:
7.解:原式$=-\frac{1}{9}$.
8. 计算:$(1\frac{3}{4}-\frac{7}{8}-\frac{7}{12})÷(-\frac{7}{8})+\frac{7}{8}÷(1\frac{3}{4}-\frac{7}{8}-\frac{7}{12})$.
答案:
8.解:原式$=\frac{8}{3}$.
9. 计算:$(-\frac{1}{36})÷(\frac{5}{6}-\frac{3}{4}-\frac{7}{12})$.
答案:
9.解:原式$=\frac{1}{18}$.
10. 计算:$(\frac{3}{4}+\frac{9}{8}-\frac{9}{16})÷(-\frac{3}{8})+\frac{3}{8}÷(\frac{3}{4}+\frac{9}{8}-\frac{9}{16})$.
答案:
10.解:原式$=-\frac{45}{14}$.
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